Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 523	$ 453
Adjustments to reconcile to net cash flows provided by operating activities:
Depreciation and amortization	430	404
Deferred income taxes and amortization of investment tax credits	163	142
Provision for losses on accounts receivable	18	22
(Gain) on asset dispositions and purchases	(9)	(20)
Impairment charge	0	57
Pension and non-pension postretirement benefits	13	19
Other non-cash, net	(51)	27
Changes in assets and liabilities:
Receivables and unbilled revenues	(54)	(70)
Pension and postretirement benefit contributions	(23)	(11)
Accounts payable and accrued liabilities	(16)	(23)
Other assets and liabilities, net	(45)	32
Impact of Freedom Industries settlement activities	(4)	(40)
Net cash provided by operating activities	945	992
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(1,115)	(1,136)
Acquisitions, net of cash acquired	(85)	(381)
Proceeds from sale of assets	17	33
Removal costs from property, plant and equipment retirements, net	(71)	(61)
Net cash used in investing activities	(1,254)	(1,545)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from long-term debt	1,191	1,355
Repayments of long-term debt	(153)	(330)
Net short-term borrowings with maturities less than three months	(491)	(341)
Proceeds from issuance of common stock	0	183
Proceeds from issuances of employee stock plans and direct stock purchase plan, net of taxes paid of $11 and $7 for the nine months ended September 30, 2019 and 2018, respectively	13	8
Advances and contributions for construction, net of refunds of $25 and $20 for the nine months ended September 30, 2019 and 2018, respectively	16	15
Debt issuance costs	(11)	(12)
Make-whole premium on early debt redemption	0	(10)
Dividends paid	(263)	(237)
Anti-dilutive share repurchases	(36)	(45)
Net cash provided by financing activities	266	586
Net (decrease) increase in cash, cash equivalents and restricted funds	(43)	33
Cash, cash equivalents and restricted funds at beginning of period	159	83
Cash, cash equivalents and restricted funds at end of period	116	116
Non-cash investing activity:
Capital expenditures acquired on account but unpaid as of the end of period	$ 245	$ 187