Pensions and Other Postretirement Benefits - Pension Benefit Payments (Details) $ in Millions	Dec. 31, 2025 USD ($)
Other Postretirement Benefits Plan
Defined Benefit Plan, Expected Future Benefit Payments [Abstract]
2026	$ 351
2027	347
2028	344
2029	342
2030	339
2031–2035	1,636
U.S. \| Pension Plan
Defined Benefit Plan, Expected Future Benefit Payments [Abstract]
2026	4,014
2027	3,954
2028	3,802
2029	3,607
2030	3,477
2031–2035	15,237
Non-U.S. \| Pension Plan
Defined Benefit Plan, Expected Future Benefit Payments [Abstract]
2026	1,042
2027	929
2028	913
2029	896
2030	886
2031–2035	$ 4,181

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- Definition

Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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