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Income Taxes (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Current income taxes: |  |  |  |  |
Federal | $ 6 |  | $ 1 |  | $ 32
Foreign | (270) |  | (167) |  | (426)
State | (6) |  | 0 |  | (9)
Total current | (270) |  | (166) |  | (403)
Deferred income taxes: |  |  |  |  |
Federal | 533 |  | 372 |  | 383
Foreign | (47) |  | 2 |  | (36)
State | 0 |  | 70 |  | 49
Total deferred | 486 |  | 444 |  | 396
Income tax (provision) benefit | 216 |  | 278 |  | (7)
The United States and foreign components of income from continuing operations before income taxes [Abstract] |  |  |  |  |
United States | 283 |  | (3,031) |  | (1,517)
Foreign | 969 |  | (189) |  | 395
Income (loss) before income taxes | $ 1,252 |  | $ (3,220) |  | $ (1,122)
Reconciliations between the actual provision for income taxes on continuing operations [Abstract] |  |  |  |  |
United States statutory rate | 21.00% |  | 21.00% |  | 21.00%
Impact of impairments and other charges | 0.00% |  | (12.30%) |  | (20.90%)
Adjustments of prior year taxes | 1.30% |  | 0.70% |  | 13.00%
Valuation allowance against tax assets | (44.50%) |  | 0.90% |  | (10.70%)
State income taxes | 0.10% |  | 0.00% |  | (1.30%)
Impact of foreign income taxed at different rates | 2.50% |  | (1.10%) |  | 0.80%
Other items, net | 2.40% |  | (0.60%) |  | (2.50%)
Total effective tax rate on continuing operations | (17.20%) |  | 8.60% |  | (0.60%)
Gross deferred tax assets: |  |  |  |  |
Net operating loss carryforwards | $ 736 |  | $ 1,691 |  |
Foreign tax credit carryforwards | 1,041 |  | 945 |  |
Deferred Tax Assets, Goodwill and Intangible Assets | 924 |  | 0 |  |
Research and development tax credit carryforwards | 203 |  | 196 |  |
Employee compensation and benefits | 166 |  | 237 |  |
Accrued Liabilities | 292 |  | 263 |  |
Other | 457 |  | 469 |  |
Total gross deferred tax assets | 3,819 |  | 3,801 |  |
Gross deferred tax liabilities: |  |  |  |  |
Depreciation and amortization | 131 |  | 7 |  |
Operating lease right-of-use assets | 160 |  | 86 |  |
Other | 9 |  | 155 |  |
Total gross deferred tax liabilities | 300 |  | 248 |  |
Valuation allowances | 885 |  | 1,394 |  |
Net deferred income tax asset | 2,634 |  | 2,159 |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration | 795 |  |  |  |
Unrecognized Tax Benefits, Period Increase (Decrease) | 59 |  |  |  |
Unrecognized Tax Benefits |  |  |  |  |
Beginning Balance | 355 | [1] | 425 |  | $ 417
Change in prior year tax positions | 14 |  |  |  | 25
Change in prior year tax positions |  |  | (66) |  |
Change in current year tax positions | 14 |  | 16 |  | 29
Cash settlements with taxing authorities | (10) |  | (3) |  | (4)
Lapse of statute of limitations | (21) |  | (17) |  | (42)
Ending balance | 352 | [1] | 355 | [1] | 425
Interest and Penalties |  |  |  |  |
Beginning balance | 71 |  | 70 |  | 67
Change in prior year tax positions | 4 |  | 6 |  | (11)
Change in current year tax positions | 2 |  | 0 |  | 0
Cash settlements with taxing authorities | 0 |  | 0 |  | 0
Lapse of statute of limitations | (5) |  | (5) |  | (8)
Ending balance | 72 |  | 71 |  | $ 70
Remaining balance if resolved in our favor would positively impact the effective tax rate | 272 |  | 224 |  |
Portion of unrecognized tax benefits that could be resolved within the next 12 months | 69 |  |  |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | 509 |  |  |  |
Net operating loss carryforwards | 736 |  | 1,691 |  |
Foreign tax credit carryforwards | 1,041 |  | 945 |  |
Research and development tax credit carryforwards | 203 |  | 196 |  |
Deferred Tax Assets, Operating Loss Carryforwards, Domestic, Not Subject to Expiration | 9 |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Foreign, Not Subject to Expiration | 410 |  |  |  |
Deferred Tax Assets, Tax Credit Carryforwards, Foreign, Not Subject to Expiration | 0 |  |  |  |
Deferred Tax Assets, Tax Credit Carryforwards, Research, Not Subject to Expiration | 0 |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards and Tax Credit Carryforwards, Not Subject to Expiration | 419 |  |  |  |
Deferred Tax Assets, Estimated Tax Credit Carryforwards, Research | 203 |  |  |  |
Deferred Tax Assets, Estimated Tax Credit Carryforwards, Foreign | 1,178 |  |  |  |
Deferred Tax Assets, Estimated Operating Loss Carryforwards, Foreign | 724 |  |  |  |
Deferred Tax Assets, Estimated Operating Loss Carryforwards, Domestic | 71 |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards and Tax Credit Carryforwards | 2,176 |  |  |  |
2022-2026 |  |  |  |  |
Gross deferred tax assets: |  |  |  |  |
Foreign tax credit carryforwards | 668 |  |  |  |
Research and development tax credit carryforwards | 0 |  |  |  |
Interest and Penalties |  |  |  |  |
U.S. Net Operating Loss | 2 |  |  |  |
Foreign Net Operating Loss | 133 |  |  |  |
Foreign tax credit carryforwards | 668 |  |  |  |
Research and development tax credit carryforwards | 0 |  |  |  |
Deferred Tax Assets, Gross | 803 |  |  |  |
2027-2031 |  |  |  |  |
Gross deferred tax assets: |  |  |  |  |
Foreign tax credit carryforwards | 510 |  |  |  |
Research and development tax credit carryforwards | 0 |  |  |  |
Interest and Penalties |  |  |  |  |
U.S. Net Operating Loss | 8 |  |  |  |
Foreign Net Operating Loss | 73 |  |  |  |
Foreign tax credit carryforwards | 510 |  |  |  |
Research and development tax credit carryforwards | 0 |  |  |  |
Deferred Tax Assets, Gross | 591 |  |  |  |
2032-2041 |  |  |  |  |
Gross deferred tax assets: |  |  |  |  |
Foreign tax credit carryforwards | 0 |  |  |  |
Research and development tax credit carryforwards | 203 |  |  |  |
Interest and Penalties |  |  |  |  |
U.S. Net Operating Loss | 52 |  |  |  |
Foreign Net Operating Loss | 108 |  |  |  |
Foreign tax credit carryforwards | 0 |  |  |  |
Research and development tax credit carryforwards | 203 |  |  |  |
Deferred Tax Assets, Gross | 363 |  |  |  |
All Other Countries [Domain] |  |  |  |  |
Interest and Penalties |  |  |  |  |
Remaining balance if resolved in our favor would positively impact the effective tax rate | 20 |  | $ 18 |  |
Tax credits [Member] | Foreign |  |  |  |  |
Interest and Penalties |  |  |  |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 519 |  |  |  |
[1] | Includes $20 million as of December 31, 2021 and $18 million as of December 31, 2020 in foreign unrecognized tax benefits that would give rise to a United States tax credit. As of December 31, 2021 and December 31, 2020, a net $272 million and $224 million without a net operating loss carryforward offset, respectively, of unrecognized tax benefits would positively impact the effective tax rate and be recognized as additional tax benefits in our statement of operations if resolved in our favor.

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