Investments In and Advances To Affiliates - Summary of Financial Information of Affiliates & Subsidiaries (Details) - USD ($)						12 Months Ended
		Sep. 24, 2015	Jul. 02, 2014	Jul. 01, 2014	Apr. 11, 2014	Dec. 31, 2016		Dec. 31, 2015		Dec. 31, 2014
Investments in and Advances to Affiliates [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax						$ (2,756,000,000)		$ (3,883,000,000)		$ (3,286,000,000)
Investments in and advances to affiliates						621,000,000		610,000,000		537,000,000
Gain (Loss) on Disposition of Business						29,000,000		29,000,000		358,000,000
Payments to Acquire Businesses and Interest in Affiliates						55,000,000		17,000,000		728,000,000
Proceeds from the sale of businesses, net of cash sold, and equity method investments						631,000,000		138,000,000		1,807,000,000
Net equity in earnings of affiliates						$ 36,000,000		$ 105,000,000		19,000,000
Global Infrastructure Partners
Investments in and Advances to Affiliates [Line Items]
Proceeds from the sale of businesses, net of cash sold, and equity method investments					$ 730,000,000
Silver Ridge Power
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Ownership Percentage			50.00%
Equity Method Investment, Purchase Price Agreement			$ 179,000,000
Equity Method Investment, Other than Temporary Impairment										$ 42,000,000
Equity Method Investment, Net Sales Proceeds			$ 179,000,000
Silver Ridge - Italy
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Purchase Price Agreement				$ 42,000,000
Barry
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Ownership Percentage	[1]					100.00%		100.00%
Investments in and advances to affiliates	[1]					$ 0		$ 0
Long Term Liabilities Associated With Debt Agreement Resulting In Loss Of Control						$ 41,000,000		$ 49,000,000
Elsta
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Ownership Percentage						50.00%	[1]	50.00%	[1]	50.00%
Investments in and advances to affiliates	[1]					$ 41,000,000		$ 53,000,000
Impaired Long-Lived Assets Held and Used, Facts and Circumstances Leading to Impairment										$ 82,000,000
Net equity in earnings of affiliates										(41,000,000)
Entek
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Purchase Price Agreement										125,000,000
Equity Method Investment, Other than Temporary Impairment										$ 86,000,000
Investment In Affiliate Ownership Percentage Sold										49.62%
guacolda [Member]
Investments in and Advances to Affiliates [Line Items]
Payments to Acquire Businesses and Interest in Affiliates					$ 728,000,000
guacolda [Member]
Investments in and Advances to Affiliates [Line Items]
Net equity in earnings of affiliates								66,000,000
Solar Spain [Member]
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Net Sales Proceeds		$ 31,000,000
Equity Method Investment, Realized Gain (Loss) on Disposal		$ 1,000,000
Parent [Member] | guacolda [Member]
Investments in and Advances to Affiliates [Line Items]
Net equity in earnings of affiliates								$ 46,000,000

[1] _____________________________(1) Represent VIEs in which the Company holds a variable interest but is not the primary beneficiary