Revisions to Previously Issued Financial Statements - Schedule of Impact on Sales and Pre-tax Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended										6 Months Ended	12 Months Ended			42 Months Ended	3 Months Ended						6 Months Ended	12 Months Ended			42 Months Ended	3 Months Ended						6 Months Ended	12 Months Ended			42 Months Ended	3 Months Ended						6 Months Ended	12 Months Ended			42 Months Ended	3 Months Ended						6 Months Ended	12 Months Ended			42 Months Ended	3 Months Ended						6 Months Ended	9 Months Ended	12 Months Ended			42 Months Ended	3 Months Ended						6 Months Ended	12 Months Ended			42 Months Ended	3 Months Ended						6 Months Ended	12 Months Ended			42 Months Ended	12 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013	Dec. 31, 2013 Out of Period Amounts [Member]	Sep. 27, 2013 Out of Period Amounts [Member]	Jun. 28, 2013 Out of Period Amounts [Member]	Mar. 29, 2013 Out of Period Amounts [Member]	Jun. 27, 2014 Aerospace Systems [Member]	Mar. 28, 2014 Aerospace Systems [Member]	Dec. 31, 2013 Aerospace Systems [Member]	Sep. 27, 2013 Aerospace Systems [Member]	Jun. 28, 2013 Aerospace Systems [Member]	Mar. 29, 2013 Aerospace Systems [Member]	Jun. 27, 2014 Aerospace Systems [Member]	Dec. 31, 2013 Aerospace Systems [Member]	Dec. 31, 2012 Aerospace Systems [Member]	Dec. 31, 2011 Aerospace Systems [Member]	Jun. 27, 2014 Aerospace Systems [Member]	Jun. 27, 2014 Aerospace Systems [Member] Army C-12 Contract [Member]	Mar. 28, 2014 Aerospace Systems [Member] Army C-12 Contract [Member]	Dec. 31, 2013 Aerospace Systems [Member] Army C-12 Contract [Member]	Sep. 27, 2013 Aerospace Systems [Member] Army C-12 Contract [Member]	Jun. 28, 2013 Aerospace Systems [Member] Army C-12 Contract [Member]	Mar. 29, 2013 Aerospace Systems [Member] Army C-12 Contract [Member]	Jun. 27, 2014 Aerospace Systems [Member] Army C-12 Contract [Member]	Dec. 31, 2013 Aerospace Systems [Member] Army C-12 Contract [Member]	Dec. 31, 2012 Aerospace Systems [Member] Army C-12 Contract [Member]	Dec. 31, 2011 Aerospace Systems [Member] Army C-12 Contract [Member]	Jun. 27, 2014 Aerospace Systems [Member] Army C-12 Contract [Member]	Jun. 27, 2014 Aerospace Systems [Member] Other Logistics Support Contracts [Member]	Mar. 28, 2014 Aerospace Systems [Member] Other Logistics Support Contracts [Member]	Dec. 31, 2013 Aerospace Systems [Member] Other Logistics Support Contracts [Member]	Sep. 27, 2013 Aerospace Systems [Member] Other Logistics Support Contracts [Member]	Jun. 28, 2013 Aerospace Systems [Member] Other Logistics Support Contracts [Member]	Mar. 29, 2013 Aerospace Systems [Member] Other Logistics Support Contracts [Member]	Jun. 27, 2014 Aerospace Systems [Member] Other Logistics Support Contracts [Member]	Dec. 31, 2013 Aerospace Systems [Member] Other Logistics Support Contracts [Member]	Dec. 31, 2012 Aerospace Systems [Member] Other Logistics Support Contracts [Member]	Dec. 31, 2011 Aerospace Systems [Member] Other Logistics Support Contracts [Member]	Jun. 27, 2014 Aerospace Systems [Member] Other Logistics Support Contracts [Member]	Jun. 27, 2014 Aerospace Systems [Member] Logistics Solutions [Member]	Mar. 28, 2014 Aerospace Systems [Member] Logistics Solutions [Member]	Dec. 31, 2013 Aerospace Systems [Member] Logistics Solutions [Member]	Sep. 27, 2013 Aerospace Systems [Member] Logistics Solutions [Member]	Jun. 28, 2013 Aerospace Systems [Member] Logistics Solutions [Member]	Mar. 29, 2013 Aerospace Systems [Member] Logistics Solutions [Member]	Jun. 27, 2014 Aerospace Systems [Member] Logistics Solutions [Member]	Dec. 31, 2013 Aerospace Systems [Member] Logistics Solutions [Member]	Dec. 31, 2012 Aerospace Systems [Member] Logistics Solutions [Member]	Dec. 31, 2011 Aerospace Systems [Member] Logistics Solutions [Member]	Jun. 27, 2014 Aerospace Systems [Member] Logistics Solutions [Member]	Jun. 27, 2014 Aerospace Systems [Member] Platform Systems [Member]	Mar. 28, 2014 Aerospace Systems [Member] Platform Systems [Member]	Dec. 31, 2013 Aerospace Systems [Member] Platform Systems [Member]	Sep. 27, 2013 Aerospace Systems [Member] Platform Systems [Member]	Jun. 28, 2013 Aerospace Systems [Member] Platform Systems [Member]	Mar. 29, 2013 Aerospace Systems [Member] Platform Systems [Member]	Jun. 27, 2014 Aerospace Systems [Member] Platform Systems [Member]	Dec. 31, 2013 Aerospace Systems [Member] Platform Systems [Member]	Dec. 31, 2012 Aerospace Systems [Member] Platform Systems [Member]	Dec. 31, 2011 Aerospace Systems [Member] Platform Systems [Member]	Jun. 27, 2014 Aerospace Systems [Member] Platform Systems [Member]	Jun. 27, 2014 Aerospace Systems [Member] Total Internal Review of Aerospace Systems Segment [Member]	Mar. 28, 2014 Aerospace Systems [Member] Total Internal Review of Aerospace Systems Segment [Member]	Dec. 31, 2013 Aerospace Systems [Member] Total Internal Review of Aerospace Systems Segment [Member]	Sep. 27, 2013 Aerospace Systems [Member] Total Internal Review of Aerospace Systems Segment [Member]	Jun. 28, 2013 Aerospace Systems [Member] Total Internal Review of Aerospace Systems Segment [Member]	Mar. 29, 2013 Aerospace Systems [Member] Total Internal Review of Aerospace Systems Segment [Member]	Jun. 27, 2014 Aerospace Systems [Member] Total Internal Review of Aerospace Systems Segment [Member]	Sep. 27, 2013 Aerospace Systems [Member] Total Internal Review of Aerospace Systems Segment [Member]	Dec. 31, 2013 Aerospace Systems [Member] Total Internal Review of Aerospace Systems Segment [Member]	Dec. 31, 2012 Aerospace Systems [Member] Total Internal Review of Aerospace Systems Segment [Member]	Dec. 31, 2011 Aerospace Systems [Member] Total Internal Review of Aerospace Systems Segment [Member]	Jun. 27, 2014 Aerospace Systems [Member] Total Internal Review of Aerospace Systems Segment [Member]	Jun. 27, 2014 Aerospace Systems [Member] Sales-Type Lease Transaction [Member]	Mar. 28, 2014 Aerospace Systems [Member] Sales-Type Lease Transaction [Member]	Dec. 31, 2013 Aerospace Systems [Member] Sales-Type Lease Transaction [Member]	Sep. 27, 2013 Aerospace Systems [Member] Sales-Type Lease Transaction [Member]	Jun. 28, 2013 Aerospace Systems [Member] Sales-Type Lease Transaction [Member]	Mar. 29, 2013 Aerospace Systems [Member] Sales-Type Lease Transaction [Member]	Jun. 27, 2014 Aerospace Systems [Member] Sales-Type Lease Transaction [Member]	Dec. 31, 2013 Aerospace Systems [Member] Sales-Type Lease Transaction [Member]	Dec. 31, 2012 Aerospace Systems [Member] Sales-Type Lease Transaction [Member]	Dec. 31, 2011 Aerospace Systems [Member] Sales-Type Lease Transaction [Member]	Jun. 27, 2014 Aerospace Systems [Member] Sales-Type Lease Transaction [Member]	Jun. 27, 2014 Aerospace Systems [Member] Out of Period Amounts [Member]	Mar. 28, 2014 Aerospace Systems [Member] Out of Period Amounts [Member]	Dec. 31, 2013 Aerospace Systems [Member] Out of Period Amounts [Member]	Sep. 27, 2013 Aerospace Systems [Member] Out of Period Amounts [Member]	Jun. 28, 2013 Aerospace Systems [Member] Out of Period Amounts [Member]	Mar. 29, 2013 Aerospace Systems [Member] Out of Period Amounts [Member]	Jun. 27, 2014 Aerospace Systems [Member] Out of Period Amounts [Member]	Dec. 31, 2013 Aerospace Systems [Member] Out of Period Amounts [Member]	Dec. 31, 2012 Aerospace Systems [Member] Out of Period Amounts [Member]	Dec. 31, 2011 Aerospace Systems [Member] Out of Period Amounts [Member]	Jun. 27, 2014 Aerospace Systems [Member] Out of Period Amounts [Member]	Dec. 31, 2010 Prior to 2011 [Member] Aerospace Systems [Member]	Dec. 31, 2010 Prior to 2011 [Member] Aerospace Systems [Member] Army C-12 Contract [Member]	Dec. 31, 2010 Prior to 2011 [Member] Aerospace Systems [Member] Other Logistics Support Contracts [Member]	Dec. 31, 2010 Prior to 2011 [Member] Aerospace Systems [Member] Logistics Solutions [Member]	Dec. 31, 2010 Prior to 2011 [Member] Aerospace Systems [Member] Platform Systems [Member]	Dec. 31, 2010 Prior to 2011 [Member] Aerospace Systems [Member] Total Internal Review of Aerospace Systems Segment [Member]	Dec. 31, 2010 Prior to 2011 [Member] Aerospace Systems [Member] Sales-Type Lease Transaction [Member]	Dec. 31, 2010 Prior to 2011 [Member] Aerospace Systems [Member] Out of Period Amounts [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Sales	$ 2,940	$ 3,002	$ 8,916	$ 9,388	$ 9	$ 3	$ 7	$ 20	$ (10)	$ (13)	$ (21)	$ 5	$ (3)	$ 12	$ (23)	$ (7)	$ (38)	$ (4)	$ (73)	$ (1)	$ (2)	$ (24)	$ 3	$ (3)	$ (1)	$ (3)	$ (25)	$ (3)	$ (1)	$ (32)			$ (1)	$ (1)				$ (2)	$ (2)		$ (5)	$ (1)	$ (2)	$ (25)	$ 2	$ (3)	$ (1)	$ (3)	$ (27)	$ (5)	$ (1)	$ (37)	$ (6)	$ (6)	$ (2)	$ 1	$ (6)	$ (5)	$ (12)	$ (12)	$ 3		$ (21)	$ (7)	$ (8)	$ (27)	$ 3	$ (9)	$ (6)	$ (15)		$ (39)	$ (2)	$ (1)	$ (58)	$ (3)	$ (5)	$ (3)	$ (1)	$ (1)	$ (2)	$ (8)	$ (7)			$ (15)			$ 9	$ 3	$ 7	$ 20		$ 39	$ (36)	$ (3)		$ (1)		$ (1)	$ (1)		$ (1)
Pre-tax Income	$ 215	$ 266	$ 667	$ 789					$ (54)	$ (20)	$ (17)	$ (6)	$ (15)	$ (3)	$ (74)	$ (41)	$ (40)	$ 2	$ (140)	$ (11)	$ (4)	$ (20)	$ (2)	$ (7)	$ (6)	$ (15)	$ (35)	$ (16)	$ (3)	$ (69)	$ (15)	$ (5)	$ (2)	$ (5)	$ (2)	$ (2)	$ (20)	$ (11)	$ (11)	$ (2)	$ (48)	$ (26)	$ (9)	$ (22)	$ (7)	$ (9)	$ (8)	$ (35)	$ (46)	$ (27)	$ (5)	$ (117)	$ (29)	$ (11)	$ (2)		$ (6)	$ (6)	$ (40)	$ (14)	$ 2		$ (52)	$ (55)	$ (20)	$ (24)	$ (7)	$ (15)	$ (14)	$ (75)	$ (36)	$ (60)	$ (25)	$ (5)	$ (169)	$ 1		$ 1	$ 2	$ 1	$ 1	$ 1	$ 5	$ 3	$ 3	$ 29			$ 6	$ (1)	$ (1)	$ 10		$ 14	$ (18)	$ 4		$ 13		$ (4)	$ (4)		$ (4)	$ 17