v3.26.3
ACCUMULATED OTHER COMPREHENSIVE LOSS - Changes in Amounts Included in Our Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance at beginning of period     $ 9,426  
Translation adjustments $ 1 $ (8) (16) $ 13
Total other comprehensive income (loss) 17 1 31 47
Balance at end of period 9,382 9,438 9,382 9,438
Pension        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance at beginning of period (478) (564) (502) (583)
Other comprehensive income (loss) before reclassifications 0 0 3 (3)
Amounts reclassified from accumulated other comprehensive loss to earnings 10 12 31 34
Total other comprehensive income (loss) 10 12 34 31
Balance at end of period (468) (552) (468) (552)
Other Post-Employment Benefits        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance at beginning of period 26 23 28 23
Other comprehensive income (loss) before reclassifications 0 (1) (1) 0
Amounts reclassified from accumulated other comprehensive loss to earnings 0 0 (1) (1)
Total other comprehensive income (loss) (0) (1) (2) (1)
Balance at end of period 26 22 26 22
Translation Adjustments and Other        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance at beginning of period 173 185 181 158
Translation adjustments 1 (8) (16) 13
Unrealized gain (loss) on cash flow hedges 6 (2) 15 4
Total other comprehensive income (loss) 7 (10) (1) 17
Balance at end of period 180 175 180 175
Accumulated Other Comprehensive Loss        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance at beginning of period (279) (356) (293) (402)
Total other comprehensive income (loss) 17 1 31 47
Balance at end of period $ (262) $ (355) $ (262) $ (355)