Retirement Programs - Plans Where the ABO Exceeds Plan Assets Fair Value (Details) - Pensions - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
U.S.
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation ("ABO")	$ 2,387	$ 2,518
Fair value of plan assets	2,317	2,180
Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation ("ABO")	8,404	8,694
Fair value of plan assets	$ 6,947	$ 6,254

Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2417-114920

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2417-114920

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant