Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2012

Debt Instrument

Partnership's Long-Term Debt

Obligations in the form of senior notes and borrowings under the credit facilities are as follows:

	December 31, 2012			December 31, 2011
Senior notes	$	1,965		$	1,355
Revolving loans	192			332
Total	2,157			1,687
Less: current portion	—			—
Long-term debt	$	2,157		$	1,687
Availability under revolving credit facility:
Total credit facility limit	$	1,150		$	900
Revolving loans	(192		)	(332		)
Letters of credit	(12		)	(19		)
Total available	$	946		$	549

Long-Term Debt Maturities

Long-term debt maturities as of December 31, 2012 for each of the next five years are as follows:

Year Ended December 31,	Amount
2013	$	—
2014	192
2015	—
2016	162
2017	—
Thereafter	1,800
Total	$	2,154	*

_______________________

* Excludes unamortized premiums of $3 million as of December 31, 2012.

Senior Notes Due 2016

Debt Instrument

Senior Note Redemption Price

Beginning June 1 of the years indicated below, the Partnership may redeem all or part of these notes at the redemption prices, expressed as percentages of the principal amount, set forth below:

June 1 of year ending:	Percentage of Redemption
2013	104.688%
2014	102.344%
2015 and thereafter	100.000%

Senior Notes Due 2018

Debt Instrument

Senior Note Redemption Price

Beginning December 1 of the years indicated below, the Partnership may redeem all or part of the 2018 Notes at the redemption prices, expressed as percentages of the principal amount, set forth below:

December 1 of year ending:	Percentage of Redemption
2014	103.438%
2015	101.719%
2016 and thereafter	100.000%

Senior Notes Due 2021

Debt Instrument

Senior Note Redemption Price

Beginning on July 15 of the years indicated below, the Partnership may redeem all or part of the 2021 Notes at the redemption prices, expressed as percentages of the principal amount, set forth below:

July 15 of year ending:	Percentage of Redemption
2016	103.250%
2017	102.167%
2018	101.083%
2019 and thereafter	100.000%

Senior Notes Due 2023

Debt Instrument

Senior Note Redemption Price

Beginning on October 15 of the years indicated below, the Partnership may redeem all or part of the 2023 Notes at the redemption prices, expressed as percentages of the principal amount, set forth below:

October 15 of year ending:	Percentage of Redemption
2017	102.750%
2018	101.833%
2019	100.917%
2020 and thereafter	100.000%