Fair Value of Financial Assets and Liabilities -Fair Value of Financial Assets and Liabilities (Details) - Level 2 - Recurring - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Assets
Total	$ 17	$ 25
Liabilities
Total	20	21
Derivatives
Assets
Total	3	11
Liabilities
Total	7	8
Deferred compensation plan investments in mutual funds
Assets
Total	14	14
Liabilities
Total	$ 13	$ 13

Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

No definition available.

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