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Retirement Benefits - Changes in Level 3 Pension Benefit Plan Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan Fair Value Measurement With Unobservable Inputs Change in Technique Quantification of Effect   $ 725
U.S. Plans    
Defined Benefit Plan Disclosure [Line Items]    
Fair Value at January 1 $ 22 48
Attributable to Assets Held at December 31 5 (9)
Attributable to Assets Sold 0 0
Net Purchases/ (Settlements) (13) (4)
Transfers Into/ (Out of) Level 3 0 (13)
Fair Value at December 31 14 22
Non-U.S. Plans (a)    
Defined Benefit Plan Disclosure [Line Items]    
Fair Value at January 1 5,257 4,725
Attributable to Assets Held at December 31 (5) 531
Attributable to Assets Sold 0 0
Net Purchases/ (Settlements) 0 0
Transfers Into/ (Out of) Level 3 0 1
Fair Value at December 31 5,252 5,257
Non-U.S. Plans (a) | Ford Werke GmbH [Member] | Other Pension Benefit Plan Asset Insurance Contracts [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Fair Value at January 1 4,400  
Fair Value at December 31 $ 4,500 $ 4,400