Borrowings (Tables)

12 Months Ended

Dec. 31, 2016

Borrowings [Abstract]

Long-term Debt Including Unamortized Debt Discounts and Premiums

December 31,			2016		2015
Senior Notes		$	2,558	$	2,553	(1)
Medium-Term Notes, Series A			250		249	(1)
Finance lease obligation			68		75
Total long-term debt		$	2,876	$	2,877
(1)	Balances as of December 31, 2015 have been recast as a result of the adoption of ASU 2015-03, to present debt issuance costs of $13 million as a direct deduction from the carrying amount of the associated debt liability, consistent with the recording of debt discounts.

Annual Maturities on Long-term Debt Outstanding

2017	$	258
2018		908
2019		8
2020		709
2021		9
Thereafter		1,008
Total maturities		2,900
Unamortized discount, net		(14)
Debt issuance costs		(10)
Total long-term debt	$	2,876