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Estimates (Components Of Intangibles And Other Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Gross Carrying Amount	$ 8,324	$ 8,422
Accumulated Amortization	(2,909)	(2,566)
Customer relationships, contracts and agreements (3 to 46 years)
Gross Carrying Amount	7,884	7,982
Accumulated Amortization	(2,807)	(2,464)
Patents (10 years)
Gross Carrying Amount	48	48
Accumulated Amortization	(48)	(44)
Trade names (20 years)
Gross Carrying Amount	66	66
Accumulated Amortization	(41)	(38)
Other (5 to 20 years)
Gross Carrying Amount	12	19
Accumulated Amortization	(13)	(20)
Total Amortizable Intangible Assets [Member]
Gross Carrying Amount	8,010	8,115
Accumulated Amortization	(2,909)	(2,566)
Trademarks [Member]
Gross Carrying Amount	302	295
Accumulated Amortization	0	0
Other
Gross Carrying Amount	12	12
Accumulated Amortization	0	0
Non-amortizable intangible assets [Member]
Gross Carrying Amount	314	307
Accumulated Amortization	$ 0	$ 0

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
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-URI https://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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