Note 10 - Non-wholly Owned Entities (Tables)

12 Months Ended

Dec. 31, 2014

Noncontrolling Interest [Abstract]

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

	2014							2013
In millions	Consolidated		SouthStar (1)		% (2)			Consolidated		SouthStar (1)		% (2)
Current assets	$	2,890	$	238		8	%	$	2,895	$	264		9	%
Goodwill and other intangible assets		1,952		125		6			1,972		133		7
Long-term assets and other deferred debits		10,067		17		-			9,683		13		-
Total assets	$	14,909	$	380		3	%	$	14,550	$	410		3	%
Current liabilities	$	3,219	$	71		2	%	$	3,118	$	95		3	%
Long-term liabilities and other deferred credits		7,862		-		-			7,819		-		-
Total liabilities		11,081		71		1			10,937		95		1
Equity		3,828		309		8			3,613		315		9
Total liabilities and equity	$	14,909	$	380		3	%	$	14,550	$	410		3	%

Schedule of Variable Interest Entities [Table Text Block]

In millions	2014		2013
Operating revenues	$	866	$	687
Operating expenses
Cost of goods sold		645		491
Operation and maintenance		87		72
Depreciation and amortization		11		7
Taxes other than income taxes		1		1
Total operating expenses		744		571
Operating income	$	122	$	116

Equity Method Investments [Table Text Block]

In millions	2014		2013
Triton	$	62	$	70
Horizon Pipeline		14		15
Other (1)		4		1
Total	$	80	$	86

Schedule of Other Nonoperating Income, by Component [Table Text Block]

In millions	2014		2013			2012
Triton	$	6	$	9		$	11
Horizon Pipeline		2		2			2
Other		-		(8	)		-
Total	$	8	$	3		$	13