Pensions And Other Postretirement Benefits - Pension Benefit Payments (Details) $ in Millions	Dec. 31, 2019 USD ($)
Other Postretirement Benefits Plan
Defined Benefit Plan, Expected Future Benefit Payments [Abstract]
2020	$ 372
2021	369
2022	365
2023	360
2024	357
2025 - 2028	1,755
U.S. \| Pension Plan
Defined Benefit Plan, Expected Future Benefit Payments [Abstract]
2020	4,942
2021	4,755
2022	4,631
2023	4,515
2024	4,407
2025 - 2028	20,257
Non-U.S. \| Pension Plan
Defined Benefit Plan, Expected Future Benefit Payments [Abstract]
2020	1,529
2021	1,201
2022	1,164
2023	1,130
2024	1,104
2025 - 2028	$ 5,166

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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 benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

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

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

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

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