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Income Taxes (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Tax Contingency [Line Items] |  |  |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | $ 66 | $ 52 | $ 19
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 194 | $ 128 |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit | 42 |  |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | $ 1,200 |  |
Federal [Member] | Earliest Tax Year [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax Credit Carryforward, Expiration Date | Jan. 01, 2023 |  |
Open Tax Year | 2017 |  |
Federal [Member] | Latest Tax Year [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax Credit Carryforward, Expiration Date | Jan. 01, 2037 |  |
Open Tax Year | 2020 |  |
State [Member] | Earliest Tax Year [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax Credit Carryforward, Expiration Date | Jan. 01, 2022 |  |
Open Tax Year | 2014 |  |
State [Member] | Latest Tax Year [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax Credit Carryforward, Expiration Date | Jan. 01, 2041 |  |
Open Tax Year | 2021 |  |
Non-U.S [Member] | Earliest Tax Year [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Open Tax Year | 2015 |  |
Non-U.S [Member] | Latest Tax Year [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Open Tax Year | 2021 |  |
Finite-lived NOL carryforwards [Member] | Federal [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Operating Loss Carryforwards | $ 42 |  |
Indefinite NOL carryforwards [Member] | Federal [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Operating Loss Carryforwards | $ 295 |  |

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- Definition Tax year that remains open to examination under enacted tax laws, in YYYY format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 + Details
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