Borrowings and Contractual Commitments (Tables)

12 Months Ended

Dec. 31, 2016

Short-term Debt [Line Items]

Schedule of Short-term Debt [Table Text Block]

Other short-term borrowings at December 31 consisted of the following:

	2016				2015
(Dollars in millions)	Balance		Interest Rate		Balance		Interest Rate
Master notes		$483	0.25	%		$582	0.20	%
Dealer collateral	451		0.55		442		0.20
Other	81		2.28		—		—
Total other short-term borrowings		$1,015				$1,024