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Pension Benefits - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Mar. 31, 2022
Held-for-sale | U.K. Disposal Group (Disposal Group)            
Defined Benefit Plan Disclosure [Line Items]            
Accumulated other comprehensive loss derecognized   $ 30        
Pension Plan            
Defined Benefit Plan Disclosure [Line Items]            
Cash contributions to the plans $ 2   $ 3 $ 5 $ 17  
Percentage threshold of greater of projected benefit obligation or market value of assets (percent) 10.00%     10.00%    
Pension Plan | Held-for-sale | E.U. Businesses (Disposal Group)            
Defined Benefit Plan Disclosure [Line Items]            
Reclassified pension liabilities $ 74     $ 74   $ 85
Pension Plan | Held-for-sale | U.K. Disposal Group (Disposal Group)            
Defined Benefit Plan Disclosure [Line Items]            
Derecognized pension assets   $ 49