The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Name:	us-gaap_RetainedEarningsAccumulatedDeficit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Nature of Operations and Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable	$ 8,115	$ 7,977
Retained earnings	$ 41,910	$ 35,431
Cumulative Effect, Period of Adoption, Adjustment \| Accounting Standards Update 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable			$ (1)
Retained earnings			$ (1)