Income Taxes - Summary of Operating Loss Carryforwards (Details) $ in Millions	Dec. 31, 2024 USD ($)
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 13,833
Deferred income taxes on net operating loss carryforwards	650
Tax credits	36
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	58
Deferred income taxes on net operating loss carryforwards	12
Tax credits	14
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	13,441
Deferred income taxes on net operating loss carryforwards	561
Tax credits	22
Foreign
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	334
Deferred income taxes on net operating loss carryforwards	77
Tax credits	$ 0

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-6

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-3

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