Changes in Estimates (Tables)

6 Months Ended

Jul. 03, 2020

Change in Accounting Estimate [Abstract]

Schedule of Effect of Net Estimate at Completion Adjustment ("EAC") on Consolidated Statement of Income

Net EAC adjustments had the following impact to earnings for the periods presented:

	Quarter Ended				Two Quarters Ended
	July 3, 2020		June 28, 2019		July 3, 2020		June 28, 2019
	(In millions, except per share amounts)
Net EAC adjustments, before income taxes	$	98	$	12	$	201	$	18
Net EAC adjustments, net of income taxes	$	73	$	9	$	151	$	13
Net EAC adjustments, net of income taxes, per diluted share	$	0.34	$	0.07	$	0.69	$	0.10