Related Parties - Tax sharing arrangements (Details) - Related Party - Tax Sharing Arrangements - USD ($)	12 Months Ended
Dec. 31, 2025	Dec. 31, 2023	Dec. 31, 2024
Related Party Transaction [Line Items]
Payments to (refunds from) tax sharing arrangements	$ 0	$ (494,000,000)
Payables from tax sharing arrangements	$ 380,000,000		$ 364,000,000

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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+ Details