| Dec 31, 2010 | Dec 31, 2011 | Dec 31, 2012 | Dec 31, 2013 | Dec 31, 2014 | Dec 31, 2015 | Dec 31, 2016 | Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Net income | 374 | 382 | 594 | 482 | 803 | 672 | 970 | 1,225 | 1,265 | 1,917 | 1,692 | 2,568 | 1,697 | 1,367 | 2,280 |
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| Depreciation, amortization and accretion | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2,125 |
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| Stock-based compensation expense | 53 | 47 | 52 | 68 | 80 | 91 | 90 | 109 | 138 | 111 | 121 | 120 | 169 | 196 | 204 |
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| Loss (Gain) On Investments And Other Non-cash (Income) Expense | 5 | 149 | 60 | 222 | 66 | 143 | 127 | -18 | 47 | 46 | 300 | -535 | -401 | 279 | -380 |
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| Restructuring Costs and Asset Impairment Charges | 17 | 17 | 34 | 33 | 26 | 30 | 51 | 242 | 480 | 140 | 240 | 196 | 684 | 740 | 97 |
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| Loss on early retirement of long-term obligations | - | - | - | -35 | -3 | -80 | 1 | -70 | -3 | -22 | -72 | -38 | -0 | -0 | - |
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| Loss on sale of ATC TIPL | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -1,245 |
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| Amortization of Debt Issuance Costs and Discounts | 9 | 13 | 11 | 8 | -5 | 7 | 18 | 20 | 22 | 26 | 33 | 40 | 48 | 50 | 54 |
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| Deferred income taxes | 188 | 57 | 29 | -29 | 1 | 8 | 27 | -87 | -303 | -55 | -22 | -41 | -237 | -182 | 52 |
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| Accounts receivable | 19 | 29 | 44 | 19 | 85 | 56 | -11 | 191 | 32 | -12 | 176 | 192 | 79 | 35 | 103 |
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| Prepaid and other assets | 49 | 44 | -85 | 96 | 1 | 91 | 83 | 180 | 102 | 68 | -84 | 33 | 196 | 343 | -33 |
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| Deferred rent asset | - | - | - | - | 122 | 155 | 132 | 194 | 88 | 184 | 322 | 466 | 500 | 472 | 276 |
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| Right-of-use asset and Operating lease liability, net | - | - | - | - | - | - | - | - | - | -17 | 11 | 33 | 9 | 104 | 21 |
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| Accounts payable and accrued expenses | 2 | 85 | 22 | 84 | 35 | 96 | -43 | 96 | 69 | -47 | -69 | 33 | -48 | -12 | 48 |
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| Accrued interest | 17 | 23 | 25 | 51 | 46 | -16 | 34 | 9 | 8 | 32 | -2 | 43 | 7 | 129 | -10 |
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| Unearned revenue | - | - | - | - | - | - | - | - | 86 | 3 | 61 | 744 | -819 | -43 | -79 |
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| Other non-current liabilities | - | - | - | - | - | - | - | - | - | - | - | 5 | 25 | 66 | 22 |
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| Cash provided by operating activities | 1,021 | 1,166 | 1,414 | - | - | - | - | - | 3,748 | 3,753 | 3,881 | 4,820 | 3,696 | 4,722 | 5,291 |
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| Payments for purchase of property and equipment and construction activities | - | - | - | - | - | - | 683 | 804 | 913 | 991 | 1,032 | 1,377 | 1,874 | 1,798 | 1,590 |
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| Payments for acquisitions, net of cash acquired | 900 | 2,321 | 1,998 | 4,462 | 1,011 | 1,961 | 1,416 | 2,007 | 1,881 | 2,960 | 3,799 | 19,304 | 549 | 168 | 123 |
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| Proceeds from sales of short-term investments and other non-current assets | 22 | 70 | 375 | 422 | 1,435 | 1,032 | 13 | 15 | 1,252 | 384 | 20 | 14 | 20 | 17 | 253 |
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| Proceeds from the sale of ATC TIPL | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2,159 |
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| Deposits and other | 24 | -25 | 15 | -19 | 19 | 2 | 16 | 5 | 53 | 64 | -27 | 1 | -48 | -253 | 288 |
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| Cash provided by (used for) investing activities | -1,301 | -2,791 | -2,558 | - | - | - | - | - | -2,749 | -3,987 | -4,785 | -20,692 | -2,355 | -1,695 | 411 |
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| Proceeds from short-term borrowings, net | - | - | - | - | - | - | - | - | - | - | - | - | 29 | 149 | 9 |
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| Proceeds from Lines of Credit | 501 | 1,005 | 2,582 | 3,507 | 2,187 | 6,127 | 2,447 | 5,359 | 3,263 | 5,750 | 8,230 | 12,857 | 4,190 | 6,120 | 6,933 |
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| Proceeds from issuance of senior notes, net | 1,698 | 499 | 699 | 2,222 | 1,416 | 1,492 | 3,236 | 2,674 | 585 | 4,877 | 7,925 | 6,762 | 1,294 | 5,678 | 3,569 |
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| Proceeds from Issuance of Secured Debt | - | - | - | 1,778 | - | 875 | - | - | 500 | - | - | - | - | 1,300 | - |
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| Repayments of notes payable, credit facilities, senior notes, secured debt, term loans and finance leases | 984 | 395 | 2,659 | 5,337 | 3,903 | 6,393 | 5,094 | 6,484 | 4,885 | 9,225 | 13,875 | 13,178 | 9,626 | 13,230 | 12,430 |
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| Proceeds from Noncontrolling Interests | - | - | - | - | - | - | - | - | - | - | - | 3,078 | 3,121 | 4 | 105 |
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| Distributions to noncontrolling interest holders | - | - | - | - | - | - | - | - | - | 12 | 12 | 223 | 11 | 47 | 391 |
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| Purchases of common stock | 431 | 437 | 63 | 145 | - | - | - | 766 | 233 | 20 | 56 | - | 19 | - | - |
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| Proceeds from stock options and employee stock purchase plan | - | - | - | - | - | - | - | - | - | - | - | 97 | 32 | 22 | 46 |
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| Distributions paid on common stock | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3,075 |
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| Proceeds from Issuance of Common Stock | - | - | - | - | - | 2,440 | - | - | - | - | - | 2,362 | 2,292 | - | - |
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| Deferred financing costs and other financing activities | -13 | -15 | -14 | -9 | -35 | -30 | -26 | -40 | -57 | -136 | -176 | -156 | -95 | -144 | -218 |
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| Cash used for financing activities | 910 | 1,086 | 1,170 | - | - | - | - | - | -608 | 522 | 1,215 | 16,425 | -1,423 | -3,097 | -5,452 |
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| Net effect of changes in foreign currency exchange rates on cash and cash equivalents, and restricted cash | - | - | - | - | - | - | - | 7 | -41 | -14 | -29 | -70 | -120 | 23 | -234 |
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| NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS, AND RESTRICTED CASH | - | - | - | - | - | - | - | 18 | 350 | 273 | 283 | 482 | -203 | -47 | 15 |
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