Commitments and Contingencies (Details) $ in Millions				6 Months Ended	20 Months Ended
	Jul. 31, 2023 USD ($)	Jun. 29, 2023 USD ($)	Jan. 05, 2023 customer_account	Jun. 30, 2023 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)
Loss Contingencies [Line Items]
Proposed litigation settlement	$ 350	$ 350
Aggregate incremental expense						$ 150	$ 150
Paid claims administration					$ 35
Number of customer accounts impacted | customer_account			37,000,000
Selling, General and Administrative Expenses
Loss Contingencies [Line Items]
Aggregate incremental expense								$ 400	$ 400
Reimbursements from insurance carriers for costs				$ 50