CONSOLIDATED STATEMENT OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011
Cash Generated From Operations
Net income	$ 39	[1]	$ 42	[1]
Depreciation	3		4
Decrease/(increase) in operating working capital (Note 8)	7		(1)
Total cash generated from operations	49		44
Investing Activities
Capital expenditures			(3)
Total investing activities	4		(2)
Financing Activities
Distributions paid (Note 7)	(42)		(35)
Long-term debt repaid (Note 5)	(35)		(8)
Total financing activities	(77)		(43)
Decrease in cash and cash equivalents	(24)		(1)
Cash and cash equivalents, beginning of period	29		4
Cash and cash equivalents, end of period	5		3
Great Lakes
Cash Generated From Operations
Equity earnings in excess of cumulative distributions from Great Lakes			(1)
Investing Activities
Cumulative distributions in excess of equity earnings:	2
Investment in Great Lakes (Note 3)	(4)		(4)
Northern Border
Investing Activities
Cumulative distributions in excess of equity earnings:	5		5
Bison
Investing Activities
Cumulative distributions in excess of equity earnings:	$ 1

[1] There were no equity earnings from GTN and Bison in the 2011 period as the 25 percent interests in each were acquired in May 2011.