Revenue Recognition - Capitalized Contract Costs (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Acquisition Costs
Capitalized Contract Cost [Roll Forward]
Beginning of period balance	$ 202	$ 222
Costs incurred	136	172
Amortization	(152)	(192)
Change in contract costs held for sale	(4)
Classified as held for sale		0
End of period balance	182	202
Acquisition Costs \| Discontinued Operations \| EMEA Business
Capitalized Contract Cost [Roll Forward]
Classified as held for sale		(6)
Fulfillment Costs
Capitalized Contract Cost [Roll Forward]
Beginning of period balance	192	186
Costs incurred	157	158
Amortization	(140)	(149)
Change in contract costs held for sale	(25)
Classified as held for sale		(3)
End of period balance	$ 184	192
Fulfillment Costs \| Discontinued Operations \| EMEA Business
Capitalized Contract Cost [Roll Forward]
Classified as held for sale		$ 0

Capitalized Contract Cost, Change In Contract Costs Held For Sale

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- Definition

Capitalized Contract Cost, Incurred

+ References

No definition available.

+ Details

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- Definition

Capitalized Contract Cost, Reclassification

+ References

No definition available.

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- Definition

Capitalized Contract Cost [Roll Forward]

+ References

No definition available.

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- Definition

Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 340
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479483/340-40-50-3

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 340
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479483/340-40-50-3

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