CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash Flows From Operating Activities
Net Income	$ 1,423	$ 1,802
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	807	685
Amortization of excess cost of equity investments	8	4
Gain on remeasurement of previously held equity interest in Eagle Ford Gathering to fair value (Note 2)	0	(558)
Gain on sale of investments in Express pipeline system (Note 2)	0	(225)
Earnings from equity investments	137	157
Distributions from equity investment earnings	124	152
Proceeds from termination of interest swap agreements	0	96
Changes in components of working capital, net of the effects of acquisitions:
Accounts receivable	36	(26)
Inventories	(25)	(50)
Other current assets	(35)	(35)
Accounts payable	(53)	(151)
Accrued interest	25	12
Accrued contingencies and other current liabilities	116	(7)
Rate reparations, refunds and other litigation reserve adjustments, net	36	177
Other, net	(76)	23
Net Cash Provided by Operating Activities	2,249	1,742
Cash Flows From Investing Activities
Payment to KMI for March 2013 drop-down asset group (Note 1)	0	(994)
Acquisitions of assets and investments, net of cash acquired	(993)	(286)
Capital expenditures	(1,658)	(1,268)
Proceeds from sale of investments in Express pipeline system	0	403
Contributions to investments	(89)	(93)
Distributions from equity investments in excess of cumulative earnings	37	36
Natural gas storage and natural gas and liquids line-fill	22	0
Sale or casualty of property, plant and equipment, investments and other net assets, net of removal costs	11	23
Other, net	(5)	5
Net Cash Used in Investing Activities	(2,675)	(2,174)
Cash Flows From Financing Activities
Issuance of debt	6,083	4,858
Payment of debt	(5,060)	(3,860)
Debt issue costs	(11)	(11)
Proceeds from issuance of common units	938	834
Proceeds from issuance of i-units	97	73
Contributions from noncontrolling interests	57	99
Contributions from General Partner	0	38
Pre-acquisition contributions from KMI to March 2013 drop-down asset group	0	35
Distributions to partners and noncontrolling interests	(1,813)	(1,487)
Other, net	(2)	0
Net Cash Provided by Financing Activities	289	579
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(4)	(20)
Net (decrease) increase in Cash and Cash Equivalents	(141)	127
Cash and Cash Equivalents, beginning of period	404	529
Cash and Cash Equivalents, end of period	263	656
Noncash Investing and Financing Activities
Assets acquired or liabilities settled by the issuance of common units (Note 1)	0	3,841
Assets acquired by the assumption or incurrence of liabilities	73	1,490
Supplemental Disclosures of Cash Flow Information
Cash paid during the period for interest (net of capitalized interest)	451	411
Cash paid during the period for income taxes	$ 17	$ 14