Pensions And Other Postretirement Benefits - Pension Benefit Payments (Details) $ in Millions	Dec. 31, 2020 USD ($)
Other Postretirement Benefits Plan
Defined Benefit Plan, Expected Future Benefit Payments [Abstract]
2021	$ 379
2022	374
2023	369
2024	364
2025	361
2026 - 2030	1,761
U.S. \| Pension Plan
Defined Benefit Plan, Expected Future Benefit Payments [Abstract]
2021	4,821
2022	4,614
2023	4,495
2024	4,387
2025	4,278
2026 - 2030	19,469
Non-U.S. \| Pension Plan
Defined Benefit Plan, Expected Future Benefit Payments [Abstract]
2021	1,172
2022	1,070
2023	1,038
2024	1,015
2025	1,000
2026 - 2030	$ 4,673

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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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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