Indebtedness - (Tables)

9 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Schedule of Debt - Net of Unamortized Discount and Debt Issuance Cost

Total debt consisted of the following at September 30, 2016, net of unamortized discount and debt issuance cost:

	September 30, 2016		December 31, 2015
6.0% Notes due June 2018	$	200	$	255
7.5% Senior Notes due November 2018	524		747
3.2% Senior Notes due August 2021	511		746
8.55% Debentures due June 2024	112		149
6.875% Notes due January 2029	301		394
5.125% Notes due September 2040	1,132		1,482
Other debt	242		268
Total debt	3,022		4,041
Less: short-term debt and current portion of long-term debt	127		151
Total long-term debt	$	2,895	$	3,890