Retirement Plans and Other Retiree Benefits - Expected Contributions and Benefit Payments (Details) $ in Millions	Dec. 31, 2021 USD ($)
Total benefit payments [Abstract]
2022	$ 237
2023	234
2024	241
2025	238
2026	244
2027-2031	1,205
Other Retiree Benefit Plans
Total benefit payments [Abstract]
2022	47
2023	48
2024	49
2025	50
2026	51
2027-2031	267
United States \| Pension Plans
Total benefit payments [Abstract]
2022	147
2023	146
2024	147
2025	144
2026	147
2027-2031	692
International \| Pension Plans
Total benefit payments [Abstract]
2022	43
2023	40
2024	45
2025	44
2026	46
2027-2031	$ 246

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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

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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 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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