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v3.21.1

Consolidated Statements of Cash Flows - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Cash flows from operating activities |  |  |
Net income | $ 673 | $ 381 |
Reconciliation of net income to net cash provided by operating activities: |  |  |
Depreciation | 292 | 292 |
Deferred income taxes | 52 | 11 |
Gains and losses on properties | (8) | (8) |
Loss on asset disposal | 0 | 385 |
Changes in assets and liabilities affecting operations: |  |  |
Accounts receivable | (95) | 32 |
Materials and supplies | (20) | (21) |
Other current assets | 9 | (33) |
Current liabilities other than debt | 158 | (40) |
Other – net | (46) | (44) |
Net cash provided by operating activities | 1,015 | 955 |
Cash flows from investing activities |  |  |
Property additions | (265) | (366) |
Property sales and other transactions | 37 | 158 |
Investment sales and other transactions | 26 | (25) |
Net cash used in investing activities | (202) | (233) |
Cash flows from financing activities |  |  |
Dividends | (249) | (242) |
Common stock transactions | (6) | 14 |
Purchase and retirement of common stock | (591) | (466) |
Debt repayments | (84) | 0 |
Net cash used in financing activities | (930) | (694) |
Net increase (decrease) in cash and cash equivalents | (117) | 28 |
Cash and cash equivalents |  |  |
At beginning of year | 1,115 | 580 | $ 580
At end of period | 998 | 608 | $ 1,115
Supplemental disclosures of cash flow information |  |  |
Interest (net of amounts capitalized) | 110 | 121 |
Income taxes (net of refunds) | $ 27 | $ 16 |

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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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- Definition Amount of cash outflow for short-term and long-term debt and lease obligation. + References No definition available. + Details
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- References No definition available. + Details
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