Interest Rate Swap Arrangements (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013	Dec. 31, 2013
Debt Instrument [Line Items]
Notional Amount Of Derivatives	$ 3,500		$ 3,500		$ 2,030
Change in fair value of cash flow hedges, net of tax	0	6.7	0	6.7
Senior Notes 1.30% Due 2017 [Member] | Interest Rate Swaps [Member]
Debt Instrument [Line Items]
Notional Amount Of Derivatives	$ 900		$ 900
Interest Rate Swap, Spread above One-month LIBOR	0.6616%		0.6616%
Interest Rate Swap, Variable Rate at Period End	0.8126%		0.8126%
Fixed Interest Rate	1.30%		1.30%