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Debt (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Debt

Debt consists of (in millions):

		December 31,
		2013				2012
Senior Notes, interest at 6.125% payable semiannually, principal due on August 15, 2015			151				151
Senior Notes, interest at 1.35% payable semiannually, principal due on December 1, 2017			500				500
Senior Notes, interest at 2.6% payable semiannually, principal due on December 1, 2022			1,396				1,395
Senior Notes, interest at 3.95% payable semiannually, principal due on December 1, 2042			1,096				1,096
Other			7				7
Total debt			3,150				3,149
Less current portion			1				1
Long-term debt		$	3,149			$	3,148

Principal Payments of Debt

Principal payments of debt for years subsequent to 2013 are as follows (in millions):

2014		$	1
2015			153
2016			—
2017			500
2018			—
Thereafter			2,496
		$	3,150

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Principal payments of debt.

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- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

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