Revenue (Tables)

12 Months Ended

Dec. 31, 2021

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	2021		2020		2019
Revenue	$	411	$	389	$	342
Operating earnings	377		283		271
Diluted earnings per share	$	1.06	$	0.78	$	0.74

Schedule of Revenue by Major Products and Services

Revenue by major products and services was as follows:

Year Ended December 31	2021		2020		2019
Aircraft manufacturing	$	5,864	$	6,115	$	7,541
Aircraft services	2,271		1,960		2,260
Total Aerospace	8,135		8,075		9,801
Nuclear-powered submarines	7,117		6,938		6,254
Surface ships	2,328		2,055		1,912
Repair and other services	1,081		986		1,017
Total Marine Systems	10,526		9,979		9,183
Military vehicles	4,699		4,687		4,620
Weapons systems, armament and munitions	2,006		1,991		1,906
Engineering and other services	646		545		481
Total Combat Systems	7,351		7,223		7,007
Information technology (IT) services	8,069		7,892		8,422
C5ISR* solutions	4,388		4,756		4,937
Total Technologies	12,457		12,648		13,359
Total revenue	$	38,469	$	37,925	$	39,350

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

Schedule of Revenue by Contract Type

Revenue by contract type was as follows:

Year Ended December 31, 2021	Aerospace		Marine Systems		Combat Systems		Technologies		Total Revenue
Fixed-price	$	7,329	$	6,711	$	6,400	$	5,362	$	25,802
Cost-reimbursement	—		3,812		890		5,195		9,897
Time-and-materials	806		3		61		1,900		2,770
Total revenue	$	8,135	$	10,526	$	7,351	$	12,457	$	38,469
Year Ended December 31, 2020
Fixed-price	$	7,402	$	6,924	$	6,159	$	5,794	$	26,279
Cost-reimbursement	—		3,045		997		5,300		9,342
Time-and-materials	673		10		67		1,554		2,304
Total revenue	$	8,075	$	9,979	$	7,223	$	12,648	$	37,925
Year Ended December 31, 2019
Fixed-price	$	8,949	$	6,331	$	6,049	$	6,344	$	27,673
Cost-reimbursement	—		2,839		894		5,263		8,996
Time-and-materials	852		13		64		1,752		2,681
Total revenue	$	9,801	$	9,183	$	7,007	$	13,359	$	39,350

Schedule of Revenue by Customer

Revenue by customer was as follows:

Year Ended December 31, 2021	Aerospace		Marine Systems		Combat Systems		Technologies		Total Revenue
U.S. government:
Department of Defense (DoD)	$	255	$	10,325	$	3,869	$	6,937	$	21,386
Non-DoD	—		6		10		4,846		4,862
Foreign military sales (FMS)	84		186		294		34		598
Total U.S. government	339		10,517		4,173		11,817		26,846
U.S. commercial	4,381		3		223		201		4,808
Non-U.S. government	622		4		2,881		415		3,922
Non-U.S. commercial	2,793		2		74		24		2,893
Total revenue	$	8,135	$	10,526	$	7,351	$	12,457	$	38,469
Year Ended December 31, 2020
U.S. government:
DoD	$	394	$	9,656	$	3,813	$	6,977	$	20,840
Non-DoD	—		9		12		4,705		4,726
FMS	119		206		366		46		737
Total U.S. government	513		9,871		4,191		11,728		26,303
U.S. commercial	4,268		97		254		272		4,891
Non-U.S. government	221		9		2,704		551		3,485
Non-U.S. commercial	3,073		2		74		97		3,246
Total revenue	$	8,075	$	9,979	$	7,223	$	12,648	$	37,925
Year Ended December 31, 2019
U.S. government:
DoD	$	305	$	8,837	$	3,695	$	7,027	$	19,864
Non-DoD	88		2		13		5,151		5,254
FMS	105		188		340		56		689
Total U.S. government	498		9,027		4,048		12,234		25,807
U.S. commercial	5,270		142		229		327		5,968
Non-U.S. government	399		9		2,663		673		3,744
Non-U.S. commercial	3,634		5		67		125		3,831
Total revenue	$	9,801	$	9,183	$	7,007	$	13,359	$	39,350