v3.26.1
ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Equity, beginning balance $ 971 $ 727
Equity, ending balance 1,132 765
Accumulated other comprehensive income / (loss)    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Equity, beginning balance 54 (14)
Other comprehensive income / (loss) before reclassification (11) 12
Amounts reclassified from accumulated other comprehensive income / (loss) to the income statement (4) (1)
Amounts reclassified from accumulated other comprehensive income / (loss) to retained earnings   2
Equity, ending balance 39 (1)
Post-employment benefit plans    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Equity, beginning balance 115 84
Other comprehensive income / (loss) before reclassification (1) 0
Amounts reclassified from accumulated other comprehensive income / (loss) to the income statement (3) (2)
Amounts reclassified from accumulated other comprehensive income / (loss) to retained earnings   0
Equity, ending balance 111 82
Cash flow hedges    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Equity, beginning balance 8 (14)
Other comprehensive income / (loss) before reclassification (5) 8
Amounts reclassified from accumulated other comprehensive income / (loss) to the income statement (1) 1
Amounts reclassified from accumulated other comprehensive income / (loss) to retained earnings   0
Equity, ending balance 2 (5)
Currency translation adjustments    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Equity, beginning balance (69) (84)
Other comprehensive income / (loss) before reclassification (5) 4
Amounts reclassified from accumulated other comprehensive income / (loss) to the income statement 0 0
Amounts reclassified from accumulated other comprehensive income / (loss) to retained earnings   2
Equity, ending balance $ (74) $ (78)