Note 9 - Non-Wholly Owned Entities (Tables)

3 Months Ended

Mar. 31, 2014

Noncontrolling Interest [Abstract]

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

	March 31, 2014 (1) (2)							December 31, 2013 (1) (2)							March 31, 2013 (1) (2)
In millions	Consolidated		SouthStar(3)		% (4)			Consolidated		SouthStar(3)		% (4)			Consolidated		SouthStar(3)		% (4)
Current assets	$	3,589	$	235		7	%	$	2,895	$	264		9	%	$	2,530	$	143		6	%
Goodwill and other intangible assets		1,967		131		7			1,972		133		7			1,953		-		-
Long-term assets and other deferred debits		9,708		16		-			9,683		13		-			9,379		10		-
Total assets	$	15,264	$	382		3	%	$	14,550	$	410		3	%	$	13,862	$	153		1	%
Current liabilities	$	3,754	$	106		3	%	$	3,118	$	95		3	%	$	3,059	$	51		2	%
Long-term liabilities and other deferred credits		7,667		-		-			7,819		-		-			7,310		-		-
Total Liabilities		11,421		106		1			10,937		95		1			10,369		51		-
Equity		3,843		276		7			3,613		315		9			3,493		102		3
Total liabilities and equity	$	15,264	$	382		3	%	$	14,550	$	410		3	%	$	13,862	$	153		1	%

Schedule of Variable Interest Entities [Table Text Block]

	Three months ended March 31,
In millions	2014 (1)		2013 (1)
Operating revenues	$	374	$	250
Operating expenses
Cost of goods sold		270		164
Operation and maintenance		23		18
Depreciation and amortization		3		1
Total operating expenses		296		183
Operating income	$	78	$	67

Equity Method Investments [Table Text Block]

In millions	2014		2013
Triton	$	67	$	72
Horizon Pipeline		15		16
Other (1)		1		9
Total	$	83	$	97

In millions	2014		2013
Triton	$	2	$	2
Horizon Pipeline		1		1
Total	$	3	$	3