Derivative Instruments and Fair Value Measurements (Fair Value of Long-term Debt) (Details) (USD $) In Millions, unless otherwise specified	Sep. 27, 2014	Dec. 28, 2013
Debt Instrument [Line Items]
Current maturities of long-term debt, fair value	$ 607
Long-term debt, fair value	6,471
Long-term debt fair value, total	7,078
Current maturities of long-term debt, carrying value	607	289	[1]
Long-term debt, carrying value	5,963	6,330	[1]
Long-term debt total, carrying value	6,570
Net Investment Hedging [Member]
Debt Instrument [Line Items]
Long-term debt, carrying value	$ 639

[1] Condensed from audited financial statements.