v3.6.0.2

SCHEDULE I, CONDENSED FINANCIAL INFORMATION OF PARENT, CASH FLOWS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash used in operating activities | $ 2,319 | $ 2,905 | $ 2,161
Expenditures for property, plant and equipment | (4,214) | (3,156) | (3,123)
Purchase of trust assets | 0 | 1 | 35
Decrease (increase) in loans to affiliates, net | 11 | 74 | 18
Net cash used in investing activities | (4,886) | (2,885) | (3,342)
Common stock dividends paid | (686) | (628) | (598)
Issuances of common stock | 51 | 52 | 56
Repurchases of common stock | (56) | (74) | (38)
Issuances of long-term debt | 2,951 | 2,992 | 3,272
Payments on long-term debt | (2,057) | (1,854) | (2,034)
Tax benefit related to share-based compensation | 0 | 52 | 0
Other | (10) | (17) | (37)
Net cash provided by (used in) financing activities | 2,513 | (173) | 854
Increase (decrease) in cash and cash equivalents | (54) | (167) | (334)
Cash and cash equivalents, January 1 | 403 | 570 | 904
Cash and cash equivalents, December 31 | 349 | 403 | 570
SUPPLEMENTAL DISCLOSURE OF NONCASH FINANCING ACTIVITIES |  |  |
Financing of build-to-suit property | 0 | 61 | 61
Common dividends issued in stock | 53 | 55 | 42
Dividends declared but not paid | 196 | 180 | 166
Parent Company [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash used in operating activities | (178) | (255) | (260)
Dividends received from subsidiaries | 175 | 350 | 300
Expenditures for property, plant and equipment | (5) | (43) | (15)
Purchase of trust assets | 0 | (5) | (4)
Decrease (increase) in loans to affiliates, net | 457 | (457) | 627
Net cash used in investing activities | 627 | (155) | 908
Common stock dividends paid | (686) | (628) | (598)
Issuances of common stock | 51 | 52 | 56
Repurchases of common stock | (56) | (74) | (38)
Issuances of long-term debt | 499 | 1,248 | 499
Payments on long-term debt | (750) | 0 | (800)
Increase (decrease) in loans from affiliates, net | 504 | (230) | 234
Tax benefit related to share-based compensation | 0 | 52 | 0
Other | (3) | (9) | (4)
Net cash provided by (used in) financing activities | (441) | 411 | (651)
Increase (decrease) in cash and cash equivalents | 8 | 1 | (3)
Cash and cash equivalents, January 1 | 4 | 3 | 6
Cash and cash equivalents, December 31 | 12 | 4 | 3
SUPPLEMENTAL DISCLOSURE OF NONCASH FINANCING ACTIVITIES |  |  |
Financing of build-to-suit property | 0 | 61 | 61
Common dividends issued in stock | 53 | 55 | 42
Dividends declared but not paid | $ 189 | $ 174 | $ 163

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