Derivatives Instruments and Hedging Activities - Gain (Losses) Recognized in Income (Details) $ in Millions	3 Months Ended
Mar. 31, 2022 USD ($)
Derivatives Instruments and Hedging Activities
Gains expected to be reclassified into earnings during the next twelve months, net of tax	$ 142
Gains expected to be reclassified into earnings during the next twelve months, income tax effect	$ 50

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994

Name:	us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration