Cash Flows (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jul. 04, 2014	Jun. 28, 2013	Dec. 28, 2012
Cash payments for interest and income taxes [Abstract]
Interest	$ 16	$ 16
Taxes on income, net of refunds	28	21
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Capital expenditures in accounts payable and accrued expenses	59	41
Capital expenditures through capital lease obligations	2	32
Assets Acquired Under Long Term Financing	69	0
Common share dividends declared, but not yet paid (non-cash)	34		30
Stock Repurchased During Period, Value	150	127
December 2010 Share Repurchase Program [Member] | Common Class A [Member] | Accrued Liabilities [Member]
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Stock Repurchased During Period, Value	$ 8