v3.22.0.1
Statement of Consolidated Comprehensive Income - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Net (loss) income $ (397) $ (109) $ 177
Other comprehensive income, net of tax      
Change in unrecognized net actuarial loss and prior service cost/benefit related to pension and other postretirement benefits 670 54 (11)
Foreign currency translation adjustments (4) 87 56
Net change in unrecognized losses on cash flow hedges (16) 5  
Total Other comprehensive income, net of tax 650 146 45
Comprehensive income 253 37 222
Arconic Corporation      
Net (loss) income (397) (109) 177
Other comprehensive income, net of tax      
Change in unrecognized net actuarial loss and prior service cost/benefit related to pension and other postretirement benefits 670 54 (11)
Foreign currency translation adjustments (4) 87 56
Net change in unrecognized losses on cash flow hedges (16) 5  
Total Other comprehensive income, net of tax 650 146 45
Comprehensive income 253 37 222
Noncontrolling interest      
Net (loss) income 0 0 0
Other comprehensive income, net of tax      
Change in unrecognized net actuarial loss and prior service cost/benefit related to pension and other postretirement benefits 0 0 0
Foreign currency translation adjustments 0 0 0
Net change in unrecognized losses on cash flow hedges 0    
Total Other comprehensive income, net of tax 0 0 0
Comprehensive income $ 0 $ 0 $ 0