Derivative and Other Financial Instruments (Net Investment Hedge Narrative) (Details) € in Millions, $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2021 EUR (€)
Derivative [Line Items]
Gain (loss), recognized in OCI	$ 103	$ (1)
Gain (loss) on net investment hedge, net of tax	(103)	1
Carrying amount of hedged net investment	1,493		€ 1,312
Foreign exchange
Derivative [Line Items]
Gain (loss), recognized in OCI	47	(48)
Accumulated Other Comprehensive Loss
Derivative [Line Items]
Gain (loss), recognized in OCI	69	(33)
Gain (loss) on net investment hedge, net of tax	$ (92)	$ 10

Amount of hedged item in hedging relationship. Excludes hedged asset or liability.

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+ References

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Amount, before tax and reclassification, of gain (loss) from derivative designated and qualifying as net investment hedge.

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Amount, after tax, of reclassification from accumulated other comprehensive income (AOCI) of gain (loss) from increase (decrease) in fair value of net investment hedge.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4CCC
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL109998896-113959

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580

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