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Income Taxes Income Taxes - Gross Unrecognized Tax Benefits (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Tax Contingency [Line Items] |  |  |
Unrecognized Tax Benefits, Beginning Balance | $ 395 | $ 426 | $ 749
Decreases related to positions taken on items from prior years | (7) | (14) | (167)
Increases related to positions taken on items from prior years | 13 | 5 | 77
Increases related to positions taken in the current year | 9 | 6 | 54
Settlement of uncertain tax positions with tax authorities | (17) | (18) | (9)
Unrecognized Tax Benefits, Impact of Internal Reorganizations | 0 | 0 | (278)
Decreases due to expiration of statutes of limitations | (16) | (7) | 0
Exchange (gain) loss | 0 | (3) | 0
Unrecognized Tax Benefits, Ending Balance | 377 | 395 | 426
Total unrecognized tax benefits that, if recognized, would impact the effective tax rate | 157 | 156 | 188
Total amount of interest and penalties (benefit) recognized in Provision for income taxes on continuing operations | 1 | (2) | (4)
Total accrual for interest and penalties associated with unrecognized tax benefits | 11 | $ 18 | $ 24
Tax, Advance deposits made to foreign taxing authority | 102 |  |
Undistributed Earnings of Foreign Subsidiaries | $ 3,681 |  |

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- Definition Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 740 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6487024&loc=d3e29054-158556 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 740 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6479915&loc=d3e66715-112838 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=123452999&loc=d3e28200-109314 + Details
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