Shareholders' Equity Dividends Paid (Details) - USD ($) $ / shares in Units, $ in Millions			6 Months Ended
	Jun. 24, 2015	Mar. 24, 2015	Jun. 30, 2015	Jun. 30, 2014
Class of Stock [Line Items]
Common Stock, Dividends, Per Share, Cash Paid	$ 0.5000	$ 0.3750
Payments of Ordinary Dividends, Common Stock	$ 476	$ 357	$ 833	$ 642