Investments In and Advances To Affiliates (Details) - USD ($) $ in Millions				3 Months Ended		9 Months Ended
		Sep. 24, 2015	Jul. 02, 2014	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016		Sep. 30, 2015
Investments in and Advances to Affiliates [Line Items]
Operating margin				$ 688	$ 665	$ 1,771		$ 2,141
Net income (loss)				229	203	(84)	[1]	721	[1]
Income (Loss) from Equity Method Investments				$ 11	81	25		96
Minority Owned Affiliates [Member]
Investments in and Advances to Affiliates [Line Items]
Revenue						439		496
Operating margin						108		118
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest						46		193
Silver Ridge Power [Member]
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Ownership Percentage			50.00%
Silver Ridge - Italy [Member]
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Ownership Percentage			50.00%
Equity Method Investment, Purchase Price Agreement			$ 42
Solar Spain [Member]
Investments in and Advances to Affiliates [Line Items]
Proceeds from Sale of Equity Method Investments		$ 31
Equity Method Investment, Realized Gain (Loss) on Disposal (less than)		$ 1
guacolda [Member]
Investments in and Advances to Affiliates [Line Items]
Income (Loss) from Equity Method Investments					66			66
Parent [Member]
Investments in and Advances to Affiliates [Line Items]
Net income (loss)	[1]					$ (181)		391
Parent [Member] | guacolda [Member]
Investments in and Advances to Affiliates [Line Items]
Income (Loss) from Equity Method Investments					$ 46			$ 46

[1] (1) Net income attributable to noncontrolling interest of $105 million and $8 million of net loss attributable to redeemable stocks of subsidiaries.