| 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 | - | 532 | 554 | 896 | 1,023 | 1,136 | 2,555 | 2,721 |
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| Non-cash leasing and financing adjustments | - | - | - | 42 | 120 | 338 | 515 | 538 |
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| Stock-based compensation | - | 2 | 5 | 7 | 9 | 13 | 16 | 18 |
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| Depreciation | 1 | 4 | 4 | 4 | 3 | 3 | 4 | 4 |
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| Other gains | - | - | - | - | - | - | 4 | 1 |
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| Amortization of Debt Issuance Costs and Discounts | - | 6 | 33 | 20 | 71 | 32 | 46 | 47 |
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| Change in allowance for credit losses | - | - | - | - | - | - | 103 | 127 |
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| Deferred income taxes | - | - | - | - | - | - | -10 | 5 |
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| Net proceeds from settlement of derivatives | - | - | - | - | - | - | - | 10 |
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| Income from unconsolidated affiliate | - | - | - | - | - | 60 | 1 | - |
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| Distributions from unconsolidated affiliate | - | - | - | - | - | 65 | 3 | - |
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| Non-cash transaction costs | - | - | - | - | - | 9 | - | - |
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| Other assets | - | 23 | 6 | 3 | -1 | 6 | -5 | -3 |
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| Accrued expenses and deferred revenue | - | - | - | - | - | - | -12 | -13 |
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| Other liabilities | - | - | - | - | - | - | - | -2 |
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| Net cash provided by operating activities | - | 504 | 682 | 884 | 896 | 1,943 | 2,181 | 2,381 |
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| Investments in leases - sales-type | - | 772 | - | 2,695 | - | 4,018 | 241 | 412 |
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| Investments in leases - financing receivables | - | - | - | 1,407 | 6 | 297 | 1,132 | 0 |
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| Investments in loans and securities | - | - | - | 535 | 34 | 194 | 959 | 579 |
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| Principal repayments of loans and receipts of deferred fees | - | - | - | - | 70 | 6 | - | 81 |
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| Net cash paid to acquire businesses | - | - | - | - | - | - | 1,267 | - |
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| Capitalized transaction costs | - | - | 9 | 0 | 21 | 8 | 1 | 6 |
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| Investments in short-term investments | - | 942 | 440 | 20 | - | 307 | - | 30 |
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| Maturities of short-term investments | - | - | - | - | - | - | 217 | 30 |
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| Proceeds from sale of real estate | - | - | - | 50 | 13 | - | 6 | 1 |
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| Acquisition of property and equipment | - | - | - | 3 | 3 | 2 | 4 | 8 |
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| Net cash used in investing activities | - | -1,141 | -1,361 | -4,549 | 41 | -9,304 | -2,899 | -923 |
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| Proceeds from Issuance of Common Stock | - | 694 | - | 1,540 | 2,386 | 3,219 | 2,480 | 379 |
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| Proceeds from Issuance of Unsecured Debt | - | - | 2,250 | 2,500 | - | 5,000 | - | 1,771 |
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| Proceeds from Lines of Credit | - | - | - | - | - | 600 | 419 | 82 |
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| Redemption of senior unsecured notes | - | - | - | - | - | - | - | 1,800 |
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| Paydown of 2022 Revolving Credit Facility | - | - | - | - | - | 600 | 250 | 94 |
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| Repurchase of stock for tax withholding | - | - | - | 0 | 2 | 6 | 5 | 5 |
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| Debt issuance costs | - | 1 | 56 | 58 | 31 | 146 | 0 | 5 |
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| Distributions to non-controlling interests | - | 10 | 8 | 8 | 8 | 18 | 29 | 31 |
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| Dividends paid | - | 263 | 504 | 612 | 759 | 1,219 | 1,584 | 1,753 |
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| Net cash (used in) provided by financing activities | - | 1,038 | 1,183 | 2,879 | -514 | 6,830 | 1,032 | -1,457 |
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| Effect of exchange rate changes on cash, cash equivalents and restricted cash | - | - | - | - | - | - | -0 | 0 |
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| Net increase (decrease) in cash, cash equivalents and restricted cash | - | 401 | 503 | -786 | 424 | -531 | 314 | 2 |
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| Cash paid for interest | - | 213 | 209 | - | 323 | 467 | 763 | 781 |
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| Income Taxes Paid | - | 1 | 3 | - | 2 | 3 | 5 | 3 |
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| Non-Cash Dividends Declared, Not Paid | - | - | - | - | 226 | 380 | 439 | 462 |
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| Issuance of stock-based compensation subject to repurchase for tax withholding | - | - | - | - | - | - | - | 18 |
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| Accrued capitalized transaction costs | - | - | - | - | - | - | - | 2 |
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| Debt issuance costs payable | - | - | 16 | - | 43 | - | 0 | 0 |
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| Noncash Change In Investment Leases, Investing Activities | - | - | - | - | 21 | 189 | 277 | 283 |
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| Obtaining right-of-use assets in exchange for lease liabilities | - | - | 27 | - | - | 542 | 82 | 16 |
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