Indemnifications and Guarantees (Details) - First priority perfected lien or pledge	12 Months Ended
	Dec. 31, 2016
Material Wholly Owned Domestic Subsidiaries (Member) | Senior credit facilities
Guarantees
Percent of capital stock pledged	100.00%
Material Wholly Owned First Tier Foreign Subsidiaries (Member) | Senior credit facilities
Guarantees
Percent of capital stock pledged	65.00%
Material Wholly Owned Foreign Subsidiaries And Material Wholly Owned U S Domiciled Foreign Subsidiaries (Member) | Obligation of certain foreign borrowers and foreign pledgors
Guarantees
Percent of capital stock pledged	100.00%