v3.25.2
SEGMENTS - Results of segments (Details) - USD ($)
$ in Millions
 3 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Segment Information    
Revenues $ 3,743 $ 3,739
Cost of service, excluding depreciation and amortization 2,454 2,500
Selling, general and administrative expenses, excluding depreciation and amortization 583 631
Other items 34 32
Segment adjusted EBITDA $ 672 577
Other items, description Other items include workforce rebalancing charges and other expense  
United States    
Segment Information    
Revenues $ 911 986
Cost of service, excluding depreciation and amortization 570 658
Selling, general and administrative expenses, excluding depreciation and amortization 137 182
Other items 7 13
Segment adjusted EBITDA 196 133
Japan    
Segment Information    
Revenues 578 569
Cost of service, excluding depreciation and amortization 371 399
Selling, general and administrative expenses, excluding depreciation and amortization 85 86
Other items 7 2
Segment adjusted EBITDA 115 83
Principal Markets    
Segment Information    
Revenues 1,356 1,315
Cost of service, excluding depreciation and amortization 928 852
Selling, general and administrative expenses, excluding depreciation and amortization 218 220
Other items 12 2
Segment adjusted EBITDA 197 241
Strategic Markets    
Segment Information    
Revenues 898 869
Cost of service, excluding depreciation and amortization 585 590
Selling, general and administrative expenses, excluding depreciation and amortization 143 144
Other items 7 15
Segment adjusted EBITDA $ 163 $ 120