Pension, Other Postretirement Benefits and Savings Plans - Estimated Future Benefit Payments (Details) $ in Millions	Dec. 31, 2021 USD ($)
Pension Plan [Member] \| UNITED STATES
Without Medicare Part D Subsidy, Fiscal Year Maturity
2022	$ 476
2023	432
2024	421
2025	408
2026	406
2027-2031	1,830
Pension Plan [Member] \| Foreign Plan [Member]
Without Medicare Part D Subsidy, Fiscal Year Maturity
2022	155
2023	147
2024	151
2025	153
2026	156
2027-2031	831
Other Postretirement Benefits Plan [Member]
Without Medicare Part D Subsidy, Fiscal Year Maturity
2022	26
2023	26
2024	25
2025	25
2026	25
2027-2031	$ 121

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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=123447040&loc=d3e1928-114920

+ Details

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- Definition

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

+ References

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

+ References

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

+ References

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

+ References

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

+ References

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