v3.22.4
Segment Information (Details)
insurancePolicy in Millions, customer in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2022
USD ($)
customer
insurancePolicy
Dec. 31, 2021
USD ($)
Segment Reporting [Abstract]        
Number of insurance policies administered | insurancePolicy     13  
Number of annual customer interactions | customer     250  
Segment Reporting Information [Line Items]        
Revenues $ 3,566 $ 4,089 $ 10,839 $ 12,257
Segment profit 309 355 837 1,033
Depreciation and amortization 275 318 839 969
Amortization of acquired intangible assets 100 106 305 325
Reconciliation of Consolidated Operating Income to Income Before Taxes [Abstract]        
Subtotal 309 355 837 1,033
Interest income 41 15 89 51
Interest expense (56) (38) (137) (161)
Restructuring costs (49) (36) (135) (248)
Transaction, separation and integration-related costs (6) (11) (12) (23)
Amortization of acquired intangible assets (100) (106) (305) (325)
Merger related indemnification (11) 0 (21) 0
SEC Matter 0 0 (8) 0
(Losses) gains on dispositions (9) (4) (12) 343
Arbitration loss (9) 0 (9) 0
Impairment losses (8) 0 (8) (10)
Debt extinguishment costs 0 (2) 0 (311)
Pension and OPEB actuarial and settlement losses 0 (7) (1) (7)
Income before income taxes 102 166 278 342
Operating segments        
Segment Reporting Information [Line Items]        
Revenues 3,566 4,089 10,839 12,257
Segment profit 367 417 1,036 1,236
Depreciation and amortization 251 291 766 885
Reconciliation of Consolidated Operating Income to Income Before Taxes [Abstract]        
Subtotal 367 417 1,036 1,236
All Other        
Segment Reporting Information [Line Items]        
Revenues 0 0 0 0
Segment profit (58) (62) (199) (203)
Depreciation and amortization 24 27 73 84
Reconciliation of Consolidated Operating Income to Income Before Taxes [Abstract]        
Subtotal (58) (62) (199) (203)
GBS | Operating segments        
Segment Reporting Information [Line Items]        
Revenues 1,738 1,946 5,209 5,706
Segment profit 244 315 672 885
Depreciation and amortization 42 39 123 130
Reconciliation of Consolidated Operating Income to Income Before Taxes [Abstract]        
Subtotal 244 315 672 885
GIS | Operating segments        
Segment Reporting Information [Line Items]        
Revenues 1,828 2,143 5,630 6,551
Segment profit 123 102 364 351
Depreciation and amortization 209 252 643 755
Reconciliation of Consolidated Operating Income to Income Before Taxes [Abstract]        
Subtotal $ 123 $ 102 $ 364 $ 351