Debt and Credit Facilities (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Long-Term Debt

Long-Term Debt

December 31	2013			2012
6.0% senior notes due 2017	399			399
3.75% senior notes due 2022	747			747
3.5% senior notes due 2023	593			—
6.5% debentures due 2025	118			118
7.5% debentures due 2025	346			346
6.5% debentures due 2028	36			36
6.625% senior notes due 2037	54			54
5.22% debentures due 2097	89			89
Other long-term debt	58			45
	2,440			1,834
Adjustments, primarily unamortized gains on interest rate swap terminations	21			29
Less: current portion	(4		)	(4		)
Long-term debt	$	2,457		$	1,859