Quarterly report pursuant to Section 13 or 15(d)

SHAREOWNERS' EQUITY - Activity in Accumulated Other Comprehensive Income (Loss) (Details)

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SHAREOWNERS' EQUITY - Activity in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance at beginning of period $ (1,549)  
Translation adjustment (net of tax effect of $(15) and $0) 118 $ (40)
Current period changes in fair value (net of tax effect of $1 and $(2)) 7 (6)
Current period changes in fair value (net of tax effect of $(8) and $23) (77) 43
Balance at end of period (1,481) (3,257)
Foreign currency translation gain (loss)    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance at beginning of period (1,446) (1,162)
Translation adjustment (net of tax effect of $(15) and $0) 115 (40)
Reclassification to earnings (net of tax effect of $0 and $0) 3 0
Balance at end of period (1,328) (1,202)
Translation adjustment, tax effect (15) 0
Reclassification to earnings, tax effect 0 0
Unrealized gain (loss) on marketable securities    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance at beginning of period (11) (1)
Current period changes in fair value (net of tax effect of $1 and $(2)) 5 (6)
Reclassification to earnings (net of tax effect of $1 and $0) 2 0
Balance at end of period (4) (7)
Current period changes in fair value, tax effect 1 (2)
Reclassification to earnings, tax effect 1 0
Unrealized gain (loss) on cash flow hedges    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance at beginning of period 167 (17)
Current period changes in fair value (net of tax effect of $(8) and $23) (26) 72
Reclassification to earnings (net of tax effect of $(16) and $(9)) (51) (29)
Balance at end of period 90 26
Current period changes in fair value, tax effect (8) 23
Reclassification to earnings, tax effect (16) (9)
Unrecognized pension and postretirement benefit costs    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance at beginning of period (259) (2,098)
Net actuarial gain (loss) resulting from remeasurements of plan assets and liabilities (net of tax effect of $0 and $11) 0 31
Reclassification to earnings (net of tax effect of $7 and $(3)) 20 (7)
Balance at end of period (239) (2,074)
Net actuarial gain (loss) resulting from remeasurements of plan assets and liabilities, tax effect 0 11
Reclassification to earnings, tax effect $ 7 $ (3)