Revenue (Tables)

3 Months Ended

Mar. 31, 2019

Revenue Recognition [Abstract]

Schedule of Impact of Adjustments in Contract Estimates

The aggregate impact of adjustments in contract estimates increased our revenue, operating earnings and diluted earnings per share as follows:

Three Months Ended	March 31, 2019		April 1, 2018
Revenue	$	96	$	115
Operating earnings	68		97
Diluted earnings per share	$	0.18	$	0.25

Revenue by Major Product Line

Revenue by major products and services was as follows:

Three Months Ended	March 31, 2019		April 1, 2018
Aircraft manufacturing and completions	$	1,691	$	1,366
Aircraft services	507		451
Pre-owned aircraft	42		8
Total Aerospace	2,240		1,825
Military vehicles	1,134		956
Weapons systems, armament and munitions	401		383
Engineering and other services	101		101
Total Combat Systems	1,636		1,440
Information technology services	2,169		1,138
Total Information Technology	2,169		1,138
C4ISR* solutions	1,158		1,098
Total Mission Systems	1,158		1,098
Nuclear-powered submarines	1,377		1,296
Surface ships	446		483
Repair and other services	235		255
Total Marine Systems	2,058		2,034
Total revenue	$	9,261	$	7,535

* Command, control, communications, computers, intelligence, surveillance and reconnaissance.

Revenue by Contract Type

Revenue by contract type was as follows:

Three Months Ended March 31, 2019	Aerospace		Combat Systems		Information Technology		Mission Systems		Marine Systems		Total Revenue
Fixed-price	$	2,040	$	1,416	$	921	$	651	$	1,416	$	6,444
Cost-reimbursement	—		211		841		463		640		2,155
Time-and-materials	200		9		407		44		2		662
Total revenue	2,240		1,636		2,169		1,158		2,058		9,261
Three Months Ended April 1, 2018
Fixed-price	$	1,668	$	1,253	$	387	$	620	$	1,305	$	5,233
Cost-reimbursement	—		179		577		440		728		1,924
Time-and-materials	157		8		174		38		1		378
Total revenue	1,825		1,440		1,138		1,098		2,034		7,535

Revenue by Customer

Revenue by customer was as follows:

Three Months Ended March 31, 2019	Aerospace		Combat Systems		Information Technology		Mission Systems		Marine Systems		Total Revenue
U.S. government:
Department of Defense (DoD)	$	123	$	793	$	950	$	784	$	1,975	$	4,625
Non-DoD	—		3		1,166		135		—		1,304
Foreign Military Sales (FMS)	15		79		5		9		44		152
Total U.S. government	138		875		2,121		928		2,019		6,081
U.S. commercial	1,329		50		40		35		36		1,490
Non-U.S. government	59		701		8		166		2		936
Non-U.S. commercial	714		10		—		29		1		754
Total revenue	2,240		1,636		2,169		1,158		2,058		9,261
Three Months Ended April 1, 2018
U.S. government:
DoD	$	41	$	607	$	433	$	742	$	1,950	$	3,773
Non-DoD	—		1		637		118		—		756
FMS	16		69		8		7		29		129
Total U.S. government	57		677		1,078		867		1,979		4,658
U.S. commercial	842		58		40		27		53		1,020
Non-U.S. government	10		697		20		172		2		901
Non-U.S. commercial	916		8		—		32		—		956
Total revenue	$	1,825	$	1,440	$	1,138	$	1,098	$	2,034	$	7,535