Consolidated Balance Sheet (Unaudited) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 101	$ 96
Trade accounts and notes receivable (net of allowance of $5 at June 30, 2016 and $3 at December 31, 2015)	722	1,026
Inventories	122	127
Assets held for sale (Note 9)	932	13
Other current assets	177	177
Total current assets	2,054	1,439
Investments	7,125	7,336
Property, plant, and equipment, at cost	37,673	37,833
Accumulated depreciation	(9,855)	(9,233)
Property, plant, and equipment – net	27,818	28,600
Goodwill	47	47
Other intangible assets – net of accumulated amortization	9,791	9,969
Regulatory assets, deferred charges, and other	459	479
Total assets	47,294	47,870
Accounts payable:
Trade	679	648
Affiliate	102	141
Accrued interest	262	231
Asset retirement obligations	68	57
Liabilities held for sale (Note 9)	151	0
Other accrued liabilities	339	469
Long-term debt due within one year	786	176
Commercial paper	196	499
Total current liabilities	2,583	2,221
Long-term debt	19,116	19,001
Asset retirement obligations	849	857
Deferred income tax liabilities	21	119
Regulatory liabilities, deferred income, and other	1,275	1,066
Contingent liabilities (Note 10)
Partners’ equity:
Common units (588,625,106 and 588,546,022 units outstanding at June 30, 2016 and December 31, 2015, respectively)	18,503	19,730
Class B units (15,919,628 and 14,784,015 units outstanding at June 30, 2016 and December 31, 2015, respectively)	764	771
General partner	2,533	2,552
Accumulated other comprehensive income (loss)	(95)	(172)
Total partners’ equity	21,705	22,881
Noncontrolling interests in consolidated subsidiaries	1,745	1,725
Total equity	23,450	24,606
Total liabilities and equity	$ 47,294	$ 47,870