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Income Taxes - Income from continuing operations before income tax (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income (loss) before income taxes: |  |  |
Income before income taxes | $ 1,931 | $ 2,466 | $ 1,870
Current: |  |  |
Total current tax expense | 612 | 439 | 333
Deferred tax expense (benefit): |  |  |
Total deferred tax expense (benefit) | 11 | 9 | (36)
Total income tax expense | 623 | 448 | 297
Ireland |  |  |
Income (loss) before income taxes: |  |  |
Income before income taxes | 15 | (86) | 200
Current: |  |  |
Total current tax expense | 2 | 2 | 1
Deferred tax expense (benefit): |  |  |
Total deferred tax expense (benefit) | (1) | (1) | (1)
U.K. |  |  |
Income (loss) before income taxes: |  |  |
Income before income taxes | 549 | 634 | 228
Current: |  |  |
Total current tax expense | 50 | 30 | 20
Deferred tax expense (benefit): |  |  |
Total deferred tax expense (benefit) | 131 | 39 | 35
U.S. federal |  |  |
Income (loss) before income taxes: |  |  |
Income before income taxes | (818) | (28) | (220)
Current: |  |  |
Total current tax expense | 197 | 126 | 22
Deferred tax expense (benefit): |  |  |
Total deferred tax expense (benefit) | (83) | (72) | (20)
U.S. state and local |  |  |
Current: |  |  |
Total current tax expense | 72 | 22 | 41
Deferred tax expense (benefit): |  |  |
Total deferred tax expense (benefit) | (30) | (4) | (27)
Other |  |  |
Income (loss) before income taxes: |  |  |
Income before income taxes | 2,185 | 1,946 | 1,662
Current: |  |  |
Total current tax expense | 291 | 259 | 249
Deferred tax expense (benefit): |  |  |
Total deferred tax expense (benefit) | $ (6) | $ 47 | $ (23)

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