Capital Stock Preferred Stock and Warrants - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions				12 Months Ended
	Jun. 07, 2016	Jul. 02, 2015	Jun. 07, 2013	Dec. 30, 2017	Dec. 31, 2016	Jan. 03, 2016
Preferred Units [Line Items]
Preferred stock, shares authorized				920,000
Nine point zero zero percent cumulative compounding preferred stock, series A, dividend percentage	9.00%
Redemption of Series A Preferred Stock	$ 8,300			$ 0	$ 8,320	$ 0
Warrants issued, shares			46,000,000
Exercise price of warrants (in dollars per share)			$ 0.01
Business acquisition, equity interest issued or issuable, value assigned			$ 8,000
Berkshire Hathaway
Preferred Units [Line Items]
Business acquisition, equity interest issued or issuable, value assigned			8,000
Common stock, shares issued upon exercise of warrants, pre-conversion, shares		46,000,000
Common stock, shares issued upon exercise of warrants, post-conversion, shares		20,000,000
Nine point zero zero percent cumulative compounding preferred stock, Series A
Preferred Units [Line Items]
Business acquisition, equity interest issued or issuable, value assigned			7,600
Warrants
Preferred Units [Line Items]
Business acquisition, equity interest issued or issuable, value assigned			$ 367
Nine point zero zero percent cumulative compounding preferred stock, Series A
Preferred Units [Line Items]
Stock redeemed during the period, shares	80,000
Nine point zero zero percent cumulative compounding preferred stock, Series A, shares issued			80,000
Nine point zero zero percent cumulative compounding preferred stock, Series A | Berkshire Hathaway
Preferred Units [Line Items]
Nine point zero zero percent cumulative compounding preferred stock, series A, dividend percentage			9.00%