Commitments and Contingent Liabilities - Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflows from operating leases	$ 64	$ 66
Financing cash outflows from finance leases	4	1
Non-cash change in lease liabilities from recognition of ROU assets:
Operating leases	373	15
Finance leases	$ 178	$ 15

Cash Flow, Lessee

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- Definition

Right-Of-Use Asset Obtained In Exchange For Lease Liability

+ References

No definition available.

+ Details

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- Definition

Amount of cash outflow for principal payment on finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
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-Name Accounting Standards Codification
-Section 50
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+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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- Definition

Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

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-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

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- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

+ References

+ Details

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