Segment and Geographic Data (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended			3 Months Ended								12 Months Ended			3 Months Ended								12 Months Ended			3 Months Ended								12 Months Ended			1 Months Ended	3 Months Ended								12 Months Ended			3 Months Ended								12 Months Ended			3 Months Ended								12 Months Ended			3 Months Ended								12 Months Ended			3 Months Ended									12 Months Ended			3 Months Ended								12 Months Ended			3 Months Ended								12 Months Ended			3 Months Ended								12 Months Ended
	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 28, 2013 item	Dec. 29, 2012	Dec. 31, 2011	Dec. 28, 2013 Manufacturing group	Sep. 28, 2013 Manufacturing group	Jun. 29, 2013 Manufacturing group	Mar. 30, 2013 Manufacturing group	Dec. 29, 2012 Manufacturing group	Sep. 29, 2012 Manufacturing group	Jun. 30, 2012 Manufacturing group	Mar. 31, 2012 Manufacturing group	Dec. 28, 2013 Manufacturing group	Dec. 29, 2012 Manufacturing group	Dec. 31, 2011 Manufacturing group	Dec. 28, 2013 Cessna	Sep. 28, 2013 Cessna	Jun. 29, 2013 Cessna	Mar. 30, 2013 Cessna	Dec. 29, 2012 Cessna	Sep. 29, 2012 Cessna	Jun. 30, 2012 Cessna	Mar. 31, 2012 Cessna	Dec. 28, 2013 Cessna Manufacturing group	Dec. 29, 2012 Cessna Manufacturing group	Dec. 31, 2011 Cessna Manufacturing group	Dec. 28, 2013 Bell	Sep. 28, 2013 Bell	Jun. 29, 2013 Bell	Mar. 30, 2013 Bell	Dec. 29, 2012 Bell	Sep. 29, 2012 Bell	Jun. 30, 2012 Bell	Mar. 31, 2012 Bell	Dec. 28, 2013 Bell Manufacturing group	Dec. 29, 2012 Bell Manufacturing group	Dec. 31, 2011 Bell Manufacturing group	Dec. 28, 2013 Textron Systems item	Dec. 28, 2013 Textron Systems	Sep. 28, 2013 Textron Systems	Jun. 29, 2013 Textron Systems	Mar. 30, 2013 Textron Systems	Dec. 29, 2012 Textron Systems	Sep. 29, 2012 Textron Systems	Jun. 30, 2012 Textron Systems	Mar. 31, 2012 Textron Systems	Dec. 28, 2013 Textron Systems Manufacturing group	Dec. 29, 2012 Textron Systems Manufacturing group	Dec. 31, 2011 Textron Systems Manufacturing group	Dec. 28, 2013 Industrial	Sep. 28, 2013 Industrial	Jun. 29, 2013 Industrial	Mar. 30, 2013 Industrial	Dec. 29, 2012 Industrial	Sep. 29, 2012 Industrial	Jun. 30, 2012 Industrial	Mar. 31, 2012 Industrial	Dec. 28, 2013 Industrial Manufacturing group	Dec. 29, 2012 Industrial Manufacturing group	Dec. 31, 2011 Industrial Manufacturing group	Dec. 28, 2013 Finance group	Sep. 28, 2013 Finance group	Jun. 29, 2013 Finance group	Mar. 30, 2013 Finance group	Dec. 29, 2012 Finance group	Sep. 29, 2012 Finance group	Jun. 30, 2012 Finance group	Mar. 31, 2012 Finance group	Dec. 28, 2013 Finance group	Dec. 29, 2012 Finance group	Dec. 31, 2011 Finance group	Dec. 28, 2013 Operating segment	Sep. 28, 2013 Operating segment	Jun. 29, 2013 Operating segment	Mar. 30, 2013 Operating segment	Dec. 29, 2012 Operating segment	Sep. 29, 2012 Operating segment	Jun. 30, 2012 Operating segment	Mar. 31, 2012 Operating segment	Dec. 28, 2013 Operating segment	Dec. 29, 2012 Operating segment	Dec. 31, 2011 Operating segment	Jun. 29, 2013 Operating segment Cessna	Dec. 28, 2013 Operating segment Cessna Manufacturing group	Sep. 28, 2013 Operating segment Cessna Manufacturing group	Jun. 29, 2013 Operating segment Cessna Manufacturing group	Mar. 30, 2013 Operating segment Cessna Manufacturing group	Dec. 29, 2012 Operating segment Cessna Manufacturing group	Sep. 29, 2012 Operating segment Cessna Manufacturing group	Jun. 30, 2012 Operating segment Cessna Manufacturing group	Mar. 31, 2012 Operating segment Cessna Manufacturing group	Dec. 28, 2013 Operating segment Cessna Manufacturing group	Dec. 29, 2012 Operating segment Cessna Manufacturing group	Dec. 31, 2011 Operating segment Cessna Manufacturing group	Dec. 28, 2013 Operating segment Bell Manufacturing group	Sep. 28, 2013 Operating segment Bell Manufacturing group	Jun. 29, 2013 Operating segment Bell Manufacturing group	Mar. 30, 2013 Operating segment Bell Manufacturing group	Dec. 29, 2012 Operating segment Bell Manufacturing group	Sep. 29, 2012 Operating segment Bell Manufacturing group	Jun. 30, 2012 Operating segment Bell Manufacturing group	Mar. 31, 2012 Operating segment Bell Manufacturing group	Dec. 28, 2013 Operating segment Bell Manufacturing group	Dec. 29, 2012 Operating segment Bell Manufacturing group	Dec. 31, 2011 Operating segment Bell Manufacturing group	Dec. 28, 2013 Operating segment Textron Systems Manufacturing group	Sep. 28, 2013 Operating segment Textron Systems Manufacturing group	Jun. 29, 2013 Operating segment Textron Systems Manufacturing group	Mar. 30, 2013 Operating segment Textron Systems Manufacturing group	Dec. 29, 2012 Operating segment Textron Systems Manufacturing group	Sep. 29, 2012 Operating segment Textron Systems Manufacturing group	Jun. 30, 2012 Operating segment Textron Systems Manufacturing group	Mar. 31, 2012 Operating segment Textron Systems Manufacturing group	Dec. 28, 2013 Operating segment Textron Systems Manufacturing group	Dec. 29, 2012 Operating segment Textron Systems Manufacturing group	Dec. 31, 2011 Operating segment Textron Systems Manufacturing group	Dec. 28, 2013 Operating segment Industrial Manufacturing group	Sep. 28, 2013 Operating segment Industrial Manufacturing group	Jun. 29, 2013 Operating segment Industrial Manufacturing group	Mar. 30, 2013 Operating segment Industrial Manufacturing group	Dec. 29, 2012 Operating segment Industrial Manufacturing group	Sep. 29, 2012 Operating segment Industrial Manufacturing group	Jun. 30, 2012 Operating segment Industrial Manufacturing group	Mar. 31, 2012 Operating segment Industrial Manufacturing group	Dec. 28, 2013 Operating segment Industrial Manufacturing group	Dec. 29, 2012 Operating segment Industrial Manufacturing group	Dec. 31, 2011 Operating segment Industrial Manufacturing group
Operating and reportable business segments
Number of business operating segments									5
Number of reportable business segments									5
Segment Information
Number of business acquired																																													2
Revenues
Manufacturing revenues									$ 11,972	$ 12,022	$ 11,172																				$ 2,784	$ 3,111	$ 2,990									$ 4,511	$ 4,274	$ 3,525										$ 1,665	$ 1,737	$ 1,872									$ 3,012	$ 2,900	$ 2,785									$ 132	$ 215	$ 103
Finance revenues									132	215	103
Total revenues	3,506	2,904	2,839	2,855	3,362	3,000	3,019	2,856	12,104	12,237	11,275												923	593	560	708	901	778	763	669				1,375	1,162	1,025	949	1,149	1,075	1,056	994					409	405	422	429	571	400	389	377				773	711	801	727	706	683	756	755				26	33	31	42	35	64	55	61
Segment Profit (Loss)
Segment profit																																																																				2	13	15	19	2	28	22	12	49	64	(333)	307	208	213	235	281	282	310	259	963	1,132	591	28	33	(23)	(50)	(8)	23	30	35	(6)	(48)	82	60	178	131	135	129	177	165	152	145	573	639	521	40	35	34	38	36	21	40	35	147	132	141	54	52	79	57	43	38	61	73	242	215	202
Corporate expenses and other, net	(57)	(34)	(20)	(55)	(43)	(38)	(20)	(47)	(166)	(148)	(114)
Interest Expense, net for Manufacturing group												(27)	(29)	(30)	(37)	(38)	(35)	(35)	(35)	(123)	(143)	(140)
Income from continuing operations before income taxes									$ 674	$ 841	$ 337