CONSOLIDATED STATEMENT OF CASH FLOWS (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011
Cash Generated From Operations
Net Income	$ 72	[1]	$ 78	[1]
Depreciation	6		8
Amortization of debt issuance costs			1
Decrease/(increase) in operating working capital (Note 8)	2		(2)
Total cash generated from operations	80		81
Investing Activities
Capital expenditures			(3)
Total investing activities	23		(527)
Financing Activities
Distributions paid (Note 7)	(84)		(71)
Equity issuance, net (Notes 4)			338
Long term debt issues (Note 5)	5		541
Long-term debt repaid (Note 5)	(47)		(361)
Debt issuance costs			(3)
Total financing activities	(126)		444
Decrease in cash and cash equivalents	(23)		(2)
Cash and cash equivalents, beginning of period	29		4
Cash and cash equivalents, end of period	6		2
Great Lakes
Investing Activities
Cumulative distributions in excess of equity earnings:	6		3
Investment in Great Lakes (Note 3)	(4)		(4)
Northern Border
Investing Activities
Cumulative distributions in excess of equity earnings:	15		15
GTN
Cash Generated From Operations
Equity earnings in excess of cumulative distributions			(2)
Investing Activities
Cumulative distributions in excess of equity earnings:	4	[1]
Bison
Cash Generated From Operations
Equity earnings in excess of cumulative distributions			(2)
Investing Activities
Cumulative distributions in excess of equity earnings:	2	[1]
GTN and Bison
Investing Activities
Acquisition of GTN and Bison (Note 4)			$ (538)

[1] 25 percent interests in each of GTN and Bison were acquired in May 2011.