Revenue Recognition - Contract Costs (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Acquisition Costs
Capitalized Contract Cost [Line Items]
Beginning Balance	$ 56	$ 59	$ 58	$ 61
Cost Incurred	6	10	25	32
Amortization	(9)	(12)	(30)	(36)
Ending Balances	53	57	53	57
Fulfillment Costs
Capitalized Contract Cost [Line Items]
Beginning Balance	47	45	46	46
Cost Incurred	7	9	26	28
Amortization	(8)	(9)	(26)	(29)
Ending Balances	$ 46	$ 45	$ 46	$ 45

Capitalized Contract Cost, Incurred

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

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ 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

+ Details

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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

+ Details

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- Details

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- Details

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