| Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
|---|
| Product | - | - | - | 26,156 | 26,699 |
|---|
| Service | - | - | - | 8,793 | 8,873 |
|---|
| Total revenues | - | - | - | 34,949 | 35,572 |
|---|
| Product | - | - | - | 14,741 | 14,651 |
|---|
| Service | - | - | - | 8,245 | 8,220 |
|---|
| Total cost of revenues | - | - | - | 22,986 | 22,871 |
|---|
| Gross profit | 9,162 | 10,488 | 10,879 | 11,963 | 12,701 |
|---|
| Selling, general and administrative expenses | - | - | - | 7,486 | 7,852 |
|---|
| Gain on disposal of long-lived assets | - | - | - | 66 | 237 |
|---|
| Loss on impairments | - | - | - | 357 | 161 |
|---|
| Operating income | 2,263 | 3,585 | 3,894 | 4,186 | 4,925 |
|---|
| Interest income | - | - | - | 206 | 143 |
|---|
| Interest expense | - | - | - | - | 612 |
|---|
| Other Nonoperating Income (Expense) | - | - | - | -2 | 258 |
|---|
| Income from continuing operations before income tax expense and income from equity method investments | - | - | - | 4,014 | 4,714 |
|---|
| Income tax expense | - | - | - | 925 | 1,085 |
|---|
| Loss from equity method investments | - | - | - | -17 | -108 |
|---|
| Income from continuing operations | - | - | - | 3,072 | 3,521 |
|---|
| Net income | 1,165 | 2,621 | 3,874 | 3,072 | 3,521 |
|---|
| Net (income) attributable to redeemable noncontrolling interests | - | - | - | 28 | 28 |
|---|
| Net (income) loss attributable to noncontrolling interests | - | - | - | -134 | 1 |
|---|
| Net income attributable to CRH | 1,165 | 2,621 | 3,874 | 3,178 | 3,521 |
|---|
| Income (Loss) from Continuing Operations, Per Basic Share | - | - | - | 4.36 | 5.06 |
|---|
| Basic earnings per share attributable to CRH, net income (in USD per share) | - | - | - | 4.36 | 5.06 |
|---|
| Income (Loss) from Continuing Operations, Per Diluted Share | - | - | - | 4.33 | 5.02 |
|---|
| Diluted earnings per share attributable to CRH, net income (in USD per share) | - | - | - | 4.33 | 5.02 |
|---|