Condensed Statements of Consolidated Cash Flows (unaudited) Condensed Statements of Consolidated Cash Flows (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash Flows From (Used In) Operating Activities:
Net earnings	$ 317	$ 263	[1],[2],[3],[4]
Adjustments to reconcile net earnings to net cash from operating activities:
Depreciation and amortization expenses	205	182	[3],[4]
Loss on asset disposals and impairments	2	1	[3],[4]
Other operating activities	18	12	[4]
Changes in current assets and liabilities	(45)	100	[4]
Changes in noncurrent assets and liabilities	(14)	(11)	[4]
Net cash from operating activities	483	547	[4]
Cash Flows Used In Investing Activities:
Capital expenditures	(252)	(370)	[4]
Acquisitions, net of cash	0	(378)	[4]
Contributions to equity method investments	(13)	0
Net cash used in investing activities	(265)	(748)	[4]
Cash Flows From (Used In) Financing Activities:
Borrowings under revolving credit agreements	1,631	520	[4]
Repayments under revolving credit agreements	(1,376)	(278)	[4]
Distributions to common unitholders	(480)	(411)	[4]
Distributions to preferred unitholders	(21)	(8)	[4]
Sponsor contributions of equity to the Predecessors	0	336	[4]
Capital contributions by affiliate	45	14	[4]
Other financing activities	(2)	(3)	[4]
Net cash (used in) from financing activities	(203)	170	[4]
Increase (Decrease) in Cash and Cash Equivalents	15	(31)	[4]
Cash and Cash Equivalents, Beginning of Period	10	75
Cash and Cash Equivalents, End of Period	$ 25	$ 44

[1] Adjusted to include the historical results of the Predecessors. See Note 1 for further discussion.

[2] Adjusted to include the historical results of the Predecessors. See Note 1 for further discussion.

[3] Adjusted to include the historical results of the Predecessors. See Note 1 for further discussion.

[4] Adjusted to include the historical results of the Predecessors. See Note 1 for further discussion.