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v3.21.2

Consolidated Statements of Cash Flows - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Cash flows from operating activities |  |  |  |  |  |  |
Net income | $ 819 | $ 673 | $ 392 | $ 381 | $ 1,492 | $ 773 |
Reconciliation of net income to net cash provided by operating activities: |  |  |  |  |  |  |
Depreciation |  |  |  |  | 586 | 574 |
Deferred income taxes |  |  |  |  | 107 | 56 |
Gains and losses on properties |  |  |  |  | (75) | (11) |
Loss on asset disposal | 0 |  | 0 |  | 0 | 385 |
Changes in assets and liabilities affecting operations: |  |  |  |  |  |  |
Accounts receivable |  |  |  |  | (96) | 98 |
Materials and supplies |  |  |  |  | (25) | (13) |
Other current assets |  |  |  |  | 30 | 30 |
Current liabilities other than debt |  |  |  |  | 170 | 0 |
Other – net |  |  |  |  | (92) | (134) |
Net cash provided by operating activities |  |  |  |  | 2,097 | 1,758 |
Cash flows from investing activities |  |  |  |  |  |  |
Property additions |  |  |  |  | (627) | (735) |
Property sales and other transactions |  |  |  |  | 66 | 258 |
Investment purchases |  |  |  |  | (5) | (5) |
Investment sales and other transactions |  |  |  |  | 37 | (58) |
Net cash used in investing activities |  |  |  |  | (529) | (540) |
Cash flows from financing activities |  |  |  |  |  |  |
Dividends |  |  |  |  | (496) | (482) |
Common stock transactions |  |  |  |  | 6 | 26 |
Purchase and retirement of common stock |  |  |  |  | (1,525) | (669) |
Proceeds from borrowings |  |  |  |  | 1,087 | 784 |
Debt repayments |  |  |  |  | (85) | (314) |
Net cash used in financing activities |  |  |  |  | (1,013) | (655) |
Net increase in cash and cash equivalents |  |  |  |  | 555 | 563 |
Cash and cash equivalents |  |  |  |  |  |  |
At beginning of year |  | $ 1,115 |  | $ 580 | 1,115 | 580 | $ 580
At end of period | $ 1,670 |  | $ 1,143 |  | 1,670 | 1,143 | $ 1,115
Supplemental disclosures of cash flow information |  |  |  |  |  |  |
Interest (net of amounts capitalized) |  |  |  |  | 281 | 287 |
Income taxes (net of refunds) |  |  |  |  | $ 249 | $ 1 |

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