Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
Apr. 04, 2015	Mar. 29, 2014
Revenues
Manufacturing revenues	$ 3,051us-gaap_SalesRevenueNet	$ 2,818us-gaap_SalesRevenueNet
Finance revenues	22us-gaap_FinancialServicesRevenue	29us-gaap_FinancialServicesRevenue
Total revenues	3,073us-gaap_Revenues	2,847us-gaap_Revenues
Costs and expenses
Cost of sales	2,509us-gaap_CostOfGoodsAndServicesSold	2,357us-gaap_CostOfGoodsAndServicesSold
Selling and administrative expense	337	302
Interest expense	43us-gaap_InterestExpense	47us-gaap_InterestExpense
Acquisition and restructuring costs		16txt_AcquisitionAndRestructuringCosts
Total costs and expenses	2,889us-gaap_CostsAndExpenses	2,722us-gaap_CostsAndExpenses
Income from continuing operations before income taxes	184	125
Income tax expense	56us-gaap_IncomeTaxExpenseBenefit	38us-gaap_IncomeTaxExpenseBenefit
Income from continuing operations	128	87
Loss from discontinued operations, net of income taxes		(2)
Net income	$ 128us-gaap_NetIncomeLoss	$ 85us-gaap_NetIncomeLoss
Basic earnings per share
Continuing operations (in dollars per share)	$ 0.46	$ 0.31
Discontinued operations (in dollars per share)		$ (0.01)
Basic earnings per share (in dollars per share)	$ 0.46us-gaap_EarningsPerShareBasic	$ 0.30us-gaap_EarningsPerShareBasic
Diluted earnings per share
Continuing operations (in dollars per share)	$ 0.46	$ 0.31
Discontinued operations (in dollars per share)		$ (0.01)
Diluted earnings per share (in dollars per share)	$ 0.46us-gaap_EarningsPerShareDiluted	$ 0.30us-gaap_EarningsPerShareDiluted
Dividends per share
Common stock (in dollars per share)	$ 0.02	$ 0.02

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