Income Taxes - Deferred Tax Asset Valuation Allowances (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Valuation Allowance [Line Items]
Other amortizable assets	$ 265	$ 267
Tax credits	673
NOLs - Non-U.S.	144
NOLs - U.S.	20
Other carryforwards	3
Valuation Allowance	(200)	$ (160)
Other amortizable assets
Valuation Allowance [Line Items]
Valuation Allowance	(104)
Tax credits
Valuation Allowance [Line Items]
Valuation Allowance	0
NOLs - Non-U.S.
Valuation Allowance [Line Items]
Valuation Allowance	(76)
NOLs - U.S.
Valuation Allowance [Line Items]
Valuation Allowance	(17)
Other carryforwards
Valuation Allowance [Line Items]
Valuation Allowance	$ (3)

Deferred Tax Assets, Other Amortizable Assets

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible loss carryforwards, classified as other.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible general business tax credit carryforwards.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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