v3.26.1
ACCUMULATED OTHER COMPREHENSIVE LOSS - Changes in Amounts Included in Our Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance at beginning of period     $ 9,426  
Translation adjustments $ (10) $ 19 (17) $ 21
Total other comprehensive income 5 33 14 46
Balance at end of period 9,456 9,524 9,456 9,524
Pension        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance at beginning of period (489) (573) (502) (583)
Other comprehensive income (loss) before reclassifications 2 (3) 3 (3)
Amounts reclassified from accumulated other comprehensive loss to earnings 9 12 21 22
Total other comprehensive income 11 9 24 19
Balance at end of period (478) (564) (478) (564)
Other Post-Employment Benefits        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance at beginning of period 27 22 28 23
Other comprehensive income (loss) before reclassifications 0 2 (1) 1
Amounts reclassified from accumulated other comprehensive loss to earnings (1) (1) (1) (1)
Total other comprehensive income (1) 1 (2) 0
Balance at end of period 26 23 26 23
Translation Adjustments and Other        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance at beginning of period 178 162 181 158
Translation adjustments (10) 19 (17) 21
Unrealized gain on cash flow hedges 5 4 9 6
Total other comprehensive income (5) 23 (8) 27
Balance at end of period 173 185 173 185
Accumulated Other Comprehensive Loss        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance at beginning of period (284) (389) (293) (402)
Total other comprehensive income 5 33 14 46
Balance at end of period $ (279) $ (356) $ (279) $ (356)