CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash Generated from Operations
Net income	$ 94	$ 100
Depreciation and amortization	20	20
Equity earnings from equity investments (Note 5)	(55)	(54)
Distributions received from operating activities of equity investments (Note 5)	65	56
Change in operating working capital (Note 11)	9	13
Other	(2)	0
Cash Generated from Operations	131	135
Investing Activities
Investment in Great Lakes (Note 5)	(5)	(5)
Distribution received from Iroquois as return of investment (Note 5)	5	2
Capital expenditures	(24)	(16)
Customer advances for construction	0	2
Investing Activities	(24)	(17)
Financing Activities
Distributions paid to common units, including the General Partner (Note 10)	(47)	(47)
Distributions paid to Class B units (Note 8)	(8)	(13)
Distributions paid to non-controlling interests	(7)	(7)
Long-term debt issued, net of discount (Note 7)	6	18
Long-term debt repaid (Note 7)	0	(50)
Financing Activities	(56)	(99)
Increase in cash and cash equivalents	51	19
Cash and cash equivalents, beginning of period	83	33
Cash and cash equivalents, end of period	$ 134	$ 52