Investments of Insurance Subsidiaries (Tables)

12 Months Ended

Dec. 31, 2024

Investments, Debt and Equity Securities [Abstract]

Schedule of Investments

A summary of the insurance subsidiaries’ investments at December 31 follows (dollars in millions):

	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

NOTE 6 — INVESTMENTS OF INSURANCE SUBSIDIARIES (continued)

	2023
			Unrealized Amounts
	Amortized Cost		Gains		Losses			Fair Value
Debt securities	$	404	$	1	$	(29	)	$	376
Money market funds and other		188		—		—			188
	$	592	$	1	$	(29	)		564
Amounts classified as current assets									(87	)
Investment carrying value								$	477

Schedule of Maturities of Investments

Scheduled maturities of investments in debt securities at December 31, 2024 were as follows (dollars in millions):

	Amortized Cost		Fair Value
Due in one year or less	$	31	$	31
Due after one year through five years		145		140
Due after five years through ten years		147		130
Due after ten years		65		60
	$	388	$	361