Consolidated Condensed Balance Sheets (Parenthetical) - USD ($) shares in Millions, $ in Millions	Jun. 27, 2015	Dec. 27, 2014
Current assets:
Accumulated depreciation	$ 49,645	$ 46,471
Stockholders’ equity:
Common stock, shares issued	4,755	4,752
Common stock, shares outstanding	4,753	4,748