Borrowings - Interest on Debt (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023
Interest on Debt
Interest capitalized	$ 6	$ 6
Total interest paid and accrued	1,032	969
Cost of financing
Interest on Debt
Interest expense	167	173
Interest expense
Interest on Debt
Interest expense	$ 859	$ 790

Amount of the cost of borrowed funds accounted for as interest expense for debt.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration