Cash and Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2024

Investments, Debt and Equity Securities [Abstract]

Summary Of Amortized Cost Fair Value And Gross Unrealized Gains And Losses Of Marketable Securities

The amortized cost, fair value and gross unrealized gains and losses of our marketable securities are as follows:

(In millions)	Amortized Cost		Gross Unrealized Gain		Gross Unrealized Losses		Fair Value
As of December 31, 2024
Certificates of deposit	$	12	$	—	$	—	$	12
Corporate bonds		14		—		—		14
Mortgage-backed securities		12		—		—		12
U.S. government and municipal obligations		14		—		—		14
Total assets	$	53	$	—	$	—	$	53

Summary OfAmortized Cost Fair Value And Gross Unrealized Gains And Losses Of Marketable Securities By Contractual Maturity

The amortized cost, fair value and gross unrealized gains and losses of our marketable securities by contractual maturity are as follows:

	As of December 31, 2024
(In millions)	Amortized Cost		Fair Value
Due to mature
One year or less	$	15	$	15
After one year through five years		16		16
After five years through ten years		8		8
After ten years		2		2
Mortgage-backed securities		12		12
Total marketable securities	$	53	$	53