v3.26.1
Investments and Fair Value Measurements - Schedule of Recurring Fair Value Measurements (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Mar. 31, 2026
Assets:    
Cash equivalents $ 244 $ 307
Long term deferred compensation plan asset 46 40
Total Assets 290 347
Liabilities:    
Current derivative instruments 1 1
Long term deferred compensation plan asset 46 40
Total Liabilities 47 41
Level 1    
Assets:    
Cash equivalents 244 307
Long term deferred compensation plan asset 46 40
Total Assets 290 347
Liabilities:    
Current derivative instruments 0 0
Long term deferred compensation plan asset 46 40
Total Liabilities 46 40
Level 2    
Assets:    
Cash equivalents 0 0
Long term deferred compensation plan asset 0 0
Total Assets 0 0
Liabilities:    
Current derivative instruments 1 1
Long term deferred compensation plan asset 0 0
Total Liabilities $ 1 $ 1