Revenue (Tables)

12 Months Ended

Dec. 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:

Year Ended December 31	2019		2018		2017
Revenue	$	342	$	377	$	292
Operating earnings	271		345		323
Diluted earnings per share	$	0.74	$	0.91	$	0.69

Schedule of Revenue by Major Products and Services

Revenue by major products and services was as follows:

Year Ended December 31	2019		2018		2017
Aircraft manufacturing and completions	$	7,355	$	6,226	$	6,320
Aircraft services	2,154		2,096		1,743
Pre-owned aircraft	292		133		66
Total Aerospace	9,801		8,455		8,129
Military vehicles	4,620		4,027		3,731
Weapons systems, armament and munitions	1,906		1,798		1,633
Engineering and other services	481		416		585
Total Combat Systems	7,007		6,241		5,949
IT services	8,422		8,269		4,410
Total Information Technology	8,422		8,269		4,410
C4ISR solutions	4,937		4,726		4,481
Total Mission Systems	4,937		4,726		4,481
Nuclear-powered submarines	6,254		5,712		5,175
Surface ships	1,912		1,872		1,607
Repair and other services	1,017		918		1,222
Total Marine Systems	9,183		8,502		8,004
Total revenue	$	39,350	$	36,193	$	30,973

Schedule of Revenue by Contract Type

Revenue by contract type was as follows:

Year Ended December 31, 2019	Aerospace		Combat Systems		Information Technology		Mission Systems		Marine Systems		Total Revenue
Fixed-price	$	8,949	$	6,049	$	3,436	$	2,908	$	6,331	$	27,673
Cost-reimbursement	—		894		3,401		1,862		2,839		8,996
Time-and-materials	852		64		1,585		167		13		2,681
Total revenue	$	9,801	$	7,007	$	8,422	$	4,937	$	9,183	$	39,350
Year Ended December 31, 2018
Fixed-price	$	7,600	$	5,406	$	3,396	$	2,711	$	5,493	$	24,606
Cost-reimbursement	—		800		3,422		1,861		3,004		9,087
Time-and-materials	855		35		1,451		154		5		2,500
Total revenue	$	8,455	$	6,241	$	8,269	$	4,726	$	8,502	$	36,193
Year Ended December 31, 2017
Fixed-price	$	7,479	$	5,090	$	1,465	$	2,478	$	4,808	$	21,320
Cost-reimbursement	—		823		2,305		1,838		3,186		8,152
Time-and-materials	650		36		640		165		10		1,501
Total revenue	$	8,129	$	5,949	$	4,410	$	4,481	$	8,004	$	30,973

Schedule of Revenue by Customer

Revenue by customer was as follows:

Year Ended December 31, 2019	Aerospace		Combat Systems		Information Technology		Mission Systems		Marine Systems		Total Revenue
U.S. government:
Department of Defense (DoD)	$	305	$	3,695	$	3,573	$	3,454	$	8,837	$	19,864
Non-DoD	88		13		4,652		499		2		5,254
Foreign Military Sales (FMS)	105		340		15		41		188		689
Total U.S. government	498		4,048		8,240		3,994		9,027		25,807
U.S. commercial	5,477		229		176		151		142		6,175
Non-U.S. government	378		2,663		6		667		9		3,723
Non-U.S. commercial	3,448		67		—		125		5		3,645
Total revenue	$	9,801	$	7,007	$	8,422	$	4,937	$	9,183	$	39,350
Year Ended December 31, 2018
U.S. government:
DoD	$	236	$	2,903	$	3,213	$	3,224	$	8,098	$	17,674
Non-DoD	—		8		4,790		506		2		5,306
FMS	98		317		22		44		145		626
Total U.S. government	334		3,228		8,025		3,774		8,245		23,606
U.S. commercial	4,175		251		163		138		245		4,972
Non-U.S. government	551		2,698		81		662		10		4,002
Non-U.S. commercial	3,395		64		—		152		2		3,613
Total revenue	$	8,455	$	6,241	$	8,269	$	4,726	$	8,502	$	36,193
Year Ended December 31, 2017
U.S. government:
DoD	$	189	$	2,702	$	1,802	$	3,027	$	7,721	$	15,441
Non-DoD	—		8		2,340		556		—		2,904
FMS	42		374		22		46		192		676
Total U.S. government	231		3,084		4,164		3,629		7,913		19,021
U.S. commercial	3,885		220		214		108		71		4,498
Non-U.S. government	210		2,580		32		607		13		3,442
Non-U.S. commercial	3,803		65		—		137		7		4,012
Total revenue	$	8,129	$	5,949	$	4,410	$	4,481	$	8,004	$	30,973