Summary of Significant Accounting Policies (Unaudited) Accumulated Other Comprehensive Income (Loss) (Details 5) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	$ (138)	$ (140)
Accumulated Other Comprehensive Income (Loss), Other Components, Net of Tax	(4)	(12)
Accumulated other comprehensive loss	$ (142)	$ (152)

Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-Publisher FASB
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 65
-Paragraph 2
-Subparagraph (g)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480016/944-40-65-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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-URI https://asc.fasb.org/1943274/2147482790/220-10-45-14

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant