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Consolidated Statements of Comprehensive Income - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 27, 2021
Jun. 28, 2020
Jun. 27, 2021
Jun. 28, 2020
Statement of Comprehensive Income [Abstract]        
Net earnings $ 1,815 $ 1,626 $ 3,652 $ 3,343
Other comprehensive income, net of tax        
Recognition of previously deferred postretirement benefit plan amounts 140 110 280 220
Other, net 31 28 4 (69)
Other comprehensive income, net of tax 171 138 284 151
Comprehensive income $ 1,986 $ 1,764 $ 3,936 $ 3,494