Commitments and Contingent Liabilities - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Commitments and Contingencies Disclosure [Abstract]
Obligations under debt agreements	$ 33,057		$ 33,057		$ 32,207
Cash payments for operating lease liabilities	32	$ 27	66	$ 57
Cash paid for finance leases	1		1
Operating lease income	$ 3	$ 3	$ 7	$ 7

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
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Amount of cash outflow for principal payment on finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

+ References

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-Topic 842
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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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