Commitments and Contingent Liabilities - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Commitments and Contingencies Disclosure [Abstract]
Obligations under debt agreements	$ 33,897		$ 33,897		$ 32,207
Cash payments for operating lease liabilities	31	$ 28	97	$ 78
Cash paid for finance leases	1		2
Operating lease income	$ 4	$ 4	$ 11	$ 11

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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))
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-Topic 210
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Amount of cash outflow for principal payment on finance lease.

+ References

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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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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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