Joint Ventures (Tables)

12 Months Ended

Dec. 31, 2011

Notes To Financial Statements [Abstract]

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Text Block]

The following table provides additional information on SouthStar’s assets and liabilities as of the periods presented, which are consolidated within our Consolidated Statements of Financial Position.

	December 31, 2011					December 31, 2010
In millions	Consolidated	SouthStar (1)		% (2)	Consolidated		SouthStar (1)	% (2)
Current assets	$2,746	$210		8%	$2,166		$239	11%
Long-term assets and other deferred debits	11,167	9		0	5,354		9	0
Total assets	$13,913	$219		2%	$7,520		$248	3%
Current liabilities	$3,084	$77		2%	$2,432		$93	4%
Long-term liabilities and other deferred credits	7,490	0		0	3,252		0	0
Total Liabilities	10,574	77		1	5,684		93	2
Equity	3,339	142		4	1,836		155	8
Total liabilities and equity	$13,913		$219	2%	$7,520		$248	3%

(1) These amounts reflect information for SouthStar and do not include intercompany eliminations and the balances of our wholly owned subsidiary with an 85% ownership interest in SouthStar.

(2) SouthStar’s percentage of the amount on our Consolidated Statements of Financial Position.

Equity Method Investments Text Block

Our investments that are accounted for under the equity method are as follows:

In millions	2011
Triton	$76
Horizon Pipeline	18
Other	8
Total	$102