Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
OPERATING ACTIVITIES:
Net income (loss)	$ 780	$ 739
Adjustments to reconcile to net cash provided (used) by operating activities:
Depreciation and amortization	1,275	1,290
Provision (benefit) for deferred income taxes	268	351
Equity (earnings) losses	(260)	(279)
Distributions from unconsolidated affiliates	458	507
Net (gain) loss on disposition of equity-method investments (Note 5)	(122)	0
Impairment of equity-method investments (Note 13)	186	0
(Gain) loss on deconsolidation of businesses (Note 5)	2	(62)
Impairment of and net (gain) loss on sale of certain assets	76	64
Amortization of stock-based awards	44	43
Cash provided (used) by changes in current assets and liabilities:
Accounts and notes receivable	159	75
Inventories	7	(39)
Other current assets and deferred charges	(10)	(44)
Accounts payable	(76)	(76)
Accrued liabilities	76	(62)
Other, including changes in noncurrent assets and liabilities	(161)	(176)
Net cash provided (used) by operating activities	2,702	2,331
FINANCING ACTIVITIES:
Proceeds from (payments of) commercial paper – net	(4)	821
Proceeds from long-term debt	736	3,745
Payments of long-term debt	(904)	(3,201)
Proceeds from issuance of common stock	10	15
Proceeds from sale of partial interest in consolidated subsidiary (Note 2)	1,330	0
Common dividends paid	(1,382)	(974)
Dividends and distributions paid to noncontrolling interests	(86)	(552)
Contributions from noncontrolling interests	32	13
Payments for debt issuance costs	0	(26)
Other – net	(11)	(46)
Net cash provided (used) by financing activities	(279)	(205)
INVESTING ACTIVITIES:
Capital expenditures (1)	(1,705)	(2,659)
Dispositions – net	(32)	(2)
Contributions in aid of construction	25	395
Purchases of businesses, net of cash acquired (Note 2)	(728)	0
Proceeds from dispositions of equity-method investments (Note 5)	485	0
Purchases of and contributions to equity-method investments	(361)	(803)
Other – net	(28)	86
Net cash provided (used) by investing activities	(2,344)	(2,983)
Increase (decrease) in cash and cash equivalents	79	(857)
Cash and cash equivalents at beginning of year	168	899
Cash and cash equivalents at end of period	247	42
(1) Increases to property, plant, and equipment	(1,707)	(2,482)
Changes in related accounts payable and accrued liabilities	2	(177)
Capital expenditures (1)	$ (1,705)	$ (2,659)