v3.26.1
Financial Instruments - Fair Value Of Short-Term Investments (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Mar. 31, 2026
Financial Instruments    
Cost or Amortized Cost $ 116 $ 116
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Fair Value 116 116 [1]
Corporate bonds    
Financial Instruments    
Cost or Amortized Cost 58 52
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Fair Value 58 52
U.S. Treasury securities    
Financial Instruments    
Cost or Amortized Cost 32 33
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Fair Value 32 33
U.S. agency securities    
Financial Instruments    
Cost or Amortized Cost 2 2
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Fair Value 2 2
Foreign government securities    
Financial Instruments    
Cost or Amortized Cost 3 5
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Fair Value 3 5
Asset-backed securities    
Financial Instruments    
Cost or Amortized Cost 21 24
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Fair Value $ 21 $ 24
[1] Derived from audited Consolidated Financial Statements.