Investments of Insurance Subsidiaries

12 Months Ended

Dec. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Investments of Insurance Subsidiaries

NOTE 6 — INVESTMENTS OF INSURANCE SUBSIDIARIES

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

	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

	2022
			Unrealized Amounts
	Amortized Cost		Gains		Losses			Fair Value
Debt securities	$	415	$	—	$	(38	)	$	377
Money market funds and other		96		—		—			96
	$	511	$	—	$	(38	)		473
Amounts classified as current assets									(92	)
Investment carrying value								$	381

At December 31, 2023 and 2022, the investments in debt securities of our insurance subsidiaries were classified as “available-for-sale.” Changes in unrealized gains and losses that are not credit-related are recorded as adjustments to other comprehensive income (loss).

NOTE 6 — INVESTMENTS OF INSURANCE SUBSIDIARIES (continued)

Scheduled maturities of investments in debt securities at December 31, 2023 were as follows (dollars in millions):

	Amortized Cost		Fair Value
Due in one year or less	$	12	$	12
Due after one year through five years		150		144
Due after five years through ten years		165		148
Due after ten years		77		72
	$	404	$	376

The average expected maturity of the investments in debt securities at December 31, 2023 was 5.1 years, compared to the average scheduled maturity of 8.8 years. Expected and scheduled maturities may differ because the issuers of certain securities have the right to call, prepay or otherwise redeem such obligations prior to their scheduled maturity date.