Revenue (Tables)

9 Months Ended

Sep. 30, 2018

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

Revenue by major products and services was as follows:



	Three Months Ended				Nine Months Ended
	September 30, 2018		October 1, 2017		September 30, 2018		October 1, 2017
Aircraft manufacturing and completions	$	1,437	$	1,562	$	4,165	$	4,791
Aircraft services	525		422		1,507		1,302
Pre-owned aircraft	69		11		79		54
Total Aerospace	2,031		1,995		5,751		6,147
Wheeled combat and tactical vehicles	657		623		1,926		1,749
Weapons systems, armament and munitions	425		412		1,251		1,167
Tanks and tracked vehicles	334		315		1,011		840
Engineering and other services	107		150		309		445
Total Combat Systems	1,523		1,500		4,497		4,201
Information technology services	2,307		1,068		5,887		3,178
Total Information Technology	2,307		1,068		5,887		3,178
Platform systems and sensors	423		387		1,197		1,170
Intelligence, surveillance and reconnaissance systems	398		351		1,147		1,013
Communication systems	409		348		1,131		1,043
Total Mission Systems	1,230		1,086		3,475		3,226
Nuclear-powered submarines	1,369		1,248		4,103		3,794
Surface combatants	293		256		834		757
Auxiliary and commercial ships	152		129		567		427
Repair and other services	189		298		701		966
Total Marine Systems	2,003		1,931		6,205		5,944
Total revenue	$	9,094	$	7,580	$	25,815	$	22,696

Revenue by contract type was as follows:



Three Months Ended September 30, 2018	Aerospace		Combat Systems		Information Technology		Mission Systems		Marine Systems		Total Revenue
Fixed-price	$	1,807	$	1,309	$	941	$	695	$	1,284	$	6,036
Cost-reimbursement	—		204		955		499		718		2,376
Time-and-materials	224		10		411		36		1		682
Total revenue	$	2,031	$	1,523	$	2,307	$	1,230	$	2,003	$	9,094
Three Months Ended October 1, 2017
Fixed-price	$	1,835	$	1,258	$	359	$	612	$	1,131	$	5,195
Cost-reimbursement	—		233		552		437		797		2,019
Time-and-materials	160		9		157		37		3		366
Total revenue	$	1,995	$	1,500	$	1,068	$	1,086	$	1,931	$	7,580

Revenue by customer was as follows:



Three Months Ended September 30, 2018	Aerospace		Combat Systems		Information Technology		Mission Systems		Marine Systems		Total Revenue
U.S. government:
Department of Defense (DoD)	$	35	$	698	$	889	$	854	$	1,895	$	4,371
Non-DoD	—		2		1,348		130		—		1,480
Foreign Military Sales (FMS)	13		65		8		10		37		133
Total U.S. government	48		765		2,245		994		1,932		5,984
U.S. commercial	827		59		41		38		69		1,034
Non-U.S. government	59		677		21		156		2		915
Non-U.S. commercial	1,097		22		—		42		—		1,161
Total revenue	$	2,031	$	1,523	$	2,307	$	1,230	$	2,003	$	9,094
Three Months Ended October 1, 2017
U.S. government:
DoD	$	40	$	659	$	424	$	745	$	1,878	$	3,746
Non-DoD	—		2		582		135		1		720
FMS	8		93		5		12		42		160
Total U.S. government	48		754		1,011		892		1,921		4,626
U.S. commercial	958		63		50		25		6		1,102
Non-U.S. government	63		668		7		134		2		874
Non-U.S. commercial	926		15		—		35		2		978
Total revenue	$	1,995	$	1,500	$	1,068	$	1,086	$	1,931	$	7,580