Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
OPERATING ACTIVITIES:
Net income (loss)	$ (518)	$ 196
Adjustments to reconcile to net cash provided (used) by operating activities:
Depreciation and amortization	891	855
Provision (benefit) for deferred income taxes	(142)	108
Impairment of equity-method investments	112	0
Impairment of and net (gain) loss on sale of Property, plant, and equipment	803	30
Amortization of stock-based awards	34	46
Cash provided (used) by changes in current assets and liabilities:
Accounts and notes receivable	290	350
Inventories	(3)	64
Other current assets and deferred charges	(21)	(45)
Accounts payable	12	(48)
Accrued liabilities	(27)	(7)
Other, including changes in noncurrent assets and liabilities	33	(66)
Net cash provided (used) by operating activities	1,464	1,483
FINANCING ACTIVITIES:
Proceeds from (payments of) commercial paper – net	(304)	942
Proceeds from long-term debt	4,503	5,720
Payments of long-term debt	(3,301)	(4,922)
Proceeds from issuance of common stock	6	21
Dividends paid	(961)	(876)
Dividends and distributions paid to noncontrolling interests	(478)	(462)
Contributions from noncontrolling interests	22	57
Payments for debt issuance costs	(8)	(29)
Contribution to Gulfstream for repayment of debt	(148)	0
Other – net	0	32
Net cash provided (used) by financing activities	(669)	483
INVESTING ACTIVITIES:
Capital expenditures (1)	(1,069)	(1,654)
Net proceeds from dispositions	31	6
Purchases of businesses, net of cash acquired	0	(112)
Purchases of and contributions to equity-method investments	(122)	(483)
Distributions from unconsolidated affiliates in excess of cumulative earnings	261	122
Other – net	153	119
Net cash provided (used) by investing activities	(746)	(2,002)
Increase (decrease) in cash and cash equivalents	49	(36)
Cash and cash equivalents held for sale	(14)	0
Cash and cash equivalents at beginning of year	100	240
Cash and cash equivalents at end of period	135	204
(1) Increases to property, plant, and equipment	(1,020)	(1,554)
Changes in related accounts payable and accrued liabilities	(49)	(100)
Capital expenditures (1)	$ (1,069)	$ (1,654)