Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 25, 2017	Jun. 26, 2016	Jun. 25, 2017	Jun. 26, 2016
Net earnings	$ 942	$ 1,021	$ 1,705	$ 1,919
Postretirement benefit plans
Amounts reclassified from accumulated other comprehensive loss	200	173	402	346
Other comprehensive gain recognized during the period			3
Other, net	55	(23)	60	(6)
Other comprehensive income, net of tax	255	150	465	340
Comprehensive income	$ 1,197	$ 1,171	$ 2,170	$ 2,259