Investments of Insurance Subsidiaries (Tables)

6 Months Ended

Jun. 30, 2025

Investments, Debt and Equity Securities [Abstract]

Schedule of Investments

A summary of our insurance subsidiaries’ investments at June 30, 2025 and December 31, 2024 follows (dollars in millions):

	June 30, 2025
			Unrealized Amounts
	Amortized Cost		Gains		Losses			Fair Value
Debt securities	$	349	$	1	$	(19	)	$	331
Money market funds and other		301		—		—			301
	$	650	$	1	$	(19	)		632
Amounts classified as current assets									(101	)
Investment carrying value								$	531

	December 31, 2024
			Unrealized Amounts
	Amortized Cost		Gains		Losses			Fair Value
Debt securities	$	388	$	—	$	(27	)	$	361
Money market funds and other		296		—		—			296
	$	684	$	—	$	(27	)		657
Amounts classified as current assets									(88	)
Investment carrying value								$	569

Schedule of Maturities of Investments

Scheduled maturities of investments in debt securities at June 30, 2025 were as follows (dollars in millions):

	Amortized Cost		Fair Value
Due in one year or less	$	13	$	13
Due after one year through five years		148		144
Due after five years through ten years		128		117
Due after ten years		60		57
	$	349	$	331