Debt (Tables)

9 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The total outstanding Notes are summarized below (in millions):

	As of December 31, 2014			As of September 30, 2015
				(unaudited)
Short-Term Portion of Long-Term Debt
2.125% Notes due on May 19, 2016(1)	$	0		$	999
Capital Lease Obligation	10			238
Total	$	10		$	1,237
Long-Term Debt
2.125% Notes due on May 19, 2016	$	1,000		$	0
3.625% Notes due on May 19, 2021	1,000			1,000
3.375% Notes due on February 25, 2024	1,000			1,000
Unamortized discount for the Notes above	(8		)	(6		)
Subtotal	2,992			1,994
Capital Lease Obligation	236			0
Total	$	3,228		$	1,994

⁽¹⁾  The outstanding Notes as of September 30, 2015 are net of unamortized discount of $1 million.