(Postretirement Benefit Adjustments Recognized In Other Comprehensive (Loss) Income) (Details) - Other Postretirement Benefits Plan [Member] $ in Millions	12 Months Ended
Dec. 31, 2022 USD ($)
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Current year actuarial (gain) loss	$ (32)
Amortization of actuarial (loss) gain	(3)
Total recognized in other comprehensive income	(35)
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Current year actuarial (gain) loss	(1)
Amortization of actuarial (loss) gain	0
Total recognized in other comprehensive income	$ (1)

Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e637-108580

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (i)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 15
-URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e689-108580

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 17A
-URI https://asc.fasb.org/extlink&oid=126968391&loc=SL34724391-108580

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration