Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
OPERATING ACTIVITIES:
Net income (loss)	$ (570)	$ 214
Adjustments to reconcile to net cash provided (used) by operating activities:
Depreciation and amortization	429	416
Provision (benefit) for deferred income taxes	(177)	75
Equity (earnings) losses	(22)	(80)
Distributions from unconsolidated affiliates	169	172
Impairment of goodwill (Note 11)	187	0
Impairment of equity-method investments (Note 11)	938	74
Amortization of stock-based awards	9	14
Cash provided (used) by changes in current assets and liabilities:
Accounts receivable	67	97
Inventories	19	1
Other current assets and deferred charges	20	(6)
Accounts payable	(155)	(39)
Accrued liabilities	(150)	(142)
Other, including changes in noncurrent assets and liabilities	23	(21)
Net cash provided (used) by operating activities	787	775
FINANCING ACTIVITIES:
Proceeds from (payments of) commercial paper – net	0	1,014
Proceeds from long-term debt	1,702	708
Payments of long-term debt	(1,518)	(864)
Proceeds from issuance of common stock	6	6
Common dividends paid	(485)	(460)
Dividends and distributions paid to noncontrolling interests	(44)	(41)
Contributions from noncontrolling interests	2	4
Other – net	(10)	(9)
Net cash provided (used) by financing activities	(347)	358
INVESTING ACTIVITIES:
Capital expenditures (1)	(306)	(422)
Dispositions - net	(3)	(4)
Contributions in aid of construction	14	10
Purchases of businesses, net of cash acquired (Note 2)	0	(727)
Purchases of and contributions to equity-method investments	(30)	(99)
Other – net	(4)	(16)
Net cash provided (used) by investing activities	(329)	(1,258)
Increase (decrease) in cash and cash equivalents	111	(125)
Cash and cash equivalents at beginning of year	289	168
Cash and cash equivalents at end of period	400	43
(1) Increases to property, plant, and equipment	(254)	(418)
Changes in related accounts payable and accrued liabilities	(52)	(4)
Capital expenditures (1)	$ (306)	$ (422)