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v3.19.1

General - Statement of Cash Flows (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Net income | $ 1,292 | $ 1,006
Pension and other postretirement remeasurement gains and losses | 15 | 14
Income taxes | 303 | 189
Other operating assets and liabilities | (410) | (371)
Net cash provided by operating activities | 714 | 626
Previously reported |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Net income | 1,287 | 975
Pension and other postretirement remeasurement gains and losses | 0 | 0
Income taxes | 302 | 181
Other operating assets and liabilities | (389) | (318)
Net cash provided by operating activities | 714 | 626
Impact of change | Adjustment |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Net income | 5 | 31
Pension and other postretirement remeasurement gains and losses | (15) | 14
Income taxes | 1 | 8
Other operating assets and liabilities | 21 | (53)
Net cash provided by operating activities | $ 0 | $ 0

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