Debt and Credit Facilities (Details 3) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended						0 Months Ended	1 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	0 Months Ended				12 Months Ended						12 Months Ended		0 Months Ended			0 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011	Jun. 29, 2013	May 01, 2013	Oct. 25, 2011	Dec. 26, 2013 Forecast Beech	May 31, 2009 Call option and warrant item	Dec. 28, 2013 Call option and warrant	Jun. 29, 2013 Warrant	Dec. 28, 2013 Warrant	May 01, 2013 Call options	May 01, 2013 4.50% convertible senior notes due 2013	Dec. 28, 2013 4.50% convertible senior notes due 2013 Manufacturing group	Dec. 29, 2012 4.50% convertible senior notes due 2013 Manufacturing group	Dec. 28, 2013 Convertible Note	Dec. 29, 2012 Convertible Note	Dec. 31, 2011 Convertible Note	May 05, 2009 Convertible Note	Dec. 28, 2013 Convertible Note Minimum	Dec. 28, 2013 Convertible Note Maximum	Dec. 28, 2013 6% Fixed-to-Floating Rate Junior Subordinated Notes Finance group	Dec. 28, 2013 6% Fixed-to-Floating Rate Junior Subordinated Notes Manufacturing group	Jan. 30, 2014 3.65% notes due 2021	Dec. 28, 2013 3.65% notes due 2021	Dec. 28, 2013 4.30% notes due 2024	Jan. 24, 2014 Subsequent event	Jan. 30, 2014 Subsequent event 3.65% notes due 2021	Jan. 30, 2014 Subsequent event 4.30% notes due 2024
Debt
Face value of the notes							$ 1,100												$ 600			$ 299					$ 500	$ 250	$ 350
Interest rate														4.50%	4.50%										3.65%	4.30%
Aggregate cash payment							1,400
Debt Instrument Required Redemption Price Percentage																								101.00%
Debt instrument term																											5 years
Debt discount on convertible notes at date of issuance																			134
Effective interest rate of the convertible notes coupon rate (as a percent)																				4.50%	11.72%
Cash and non-cash interest expense incurred																9	25	58
Amount paid to holders of notes in settlement of face value													215
Common stock issued to converting holders in settlement of the excess of the conversion value over the face value													8.9
Incremental net share settlement in excess of the face amount of the notes issued upon conversion of convertible notes, after giving effect to the exercise of the call options and warrants													7.4
Number of counterparties								2
Period for computing VWAP of common stock to determine settlement values											45 days
Common stock shares acquired upon settlement of call options												8.9
Common stock shares issued in connection with settlement of the warrants										7.4
Net increase in treasury stock due to settlement of call options and warrants									41
Common shares covered under capped call						28.7
Strike price of capped calls (in dollars per share)					$ 13.125
Cap price of capped calls (in dollars per share)					$ 15.75
Minimum Stock Price (in dollars per share)					$ 13.125
Maximum stock price (in dollars per share)					$ 15.75
Amount received from counterparties upon expiration of the capped calls				75
Debt Instrument, Maturity Date																May 01, 2013						Feb. 15, 2067
Debt Instrument call date earliest																						Feb. 15, 2017
Debt Instrument call date latest																						Feb. 15, 2042
Fixed interest rate on notes (as a percent)																						6.00%
Replacement capital covenant call date																						Feb. 15, 2047
Capital contribution made to TFC to repurchase of notes																							1
Debt instrument initial fixed rate duration description																						Until February 15, 2017
Floating variable rate of debt instrument (as a percent)																						1.735%
Debt instrument description of variable rate basis after specified term at fixed rate																						Three-month London Interbank Offered Rate
Minimum fixed charge coverage required to be maintained by TFC (as a percent)	125.00%
Minimum shareholder's equity required to be maintain by TFC	200
Cash paid to TFC to maintain compliance with covenants		$ 240	$ 182