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Supplemental Cash Flow Information | 3 Months Ended
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Mar. 31, 2021
Supplemental Cash Flow Information [Abstract] |
SUPPLEMENTAL CASH FLOW INFORMATION | 11. SUPPLEMENTAL CASH FLOW INFORMATION In order to determine net cash used in operating activities, net loss is adjusted by, among other things, changes in current assets and current liabilities as follows (in millions):
| Three Months Ended March 31,
| 2021 |  | 2020
Decrease (increase) in current assets: |  |  |
Receivables, net | $ | (2,946) |  |  | $ | 2,968 |
Inventories | 175 |  |  | 627 |
Prepaid expenses and other | (24) |  |  | (8) |
Increase (decrease) in current liabilities: |  |  |
Accounts payable | 2,992 |  |  | (4,222) |
Accrued expenses | 105 |  |  | (79) |
Taxes other than income taxes payable | (144) |  |  | (241) |
Income taxes payable | 26 |  |  | (152) |
Changes in current assets and current liabilities | $ | 184 |  |  | $ | (1,107) |
Changes in current assets and current liabilities for the three months ended March 31, 2021 were primarily due to the following: •the increase in receivables was primarily due to an increase in commodity prices in March 2021 compared to December 2020 combined with an increase in sales volumes; •the decrease in inventories was primarily due to lower inventory levels in March 2021 compared to December 2020; and •the increase in accounts payable was due to an increase in commodity prices in March 2021 compared to December 2020 combined with an increase in crude oil and other feedstock volumes purchased. Changes in current assets and current liabilities for the three months ended March 31, 2020 were primarily due to the following: •the decrease in receivables was due to (i) a decrease of $3.4 billion as a result of a decrease in commodity prices in March 2020 compared to December 2019 combined with a decrease in sales volumes and (ii) an increase in income taxes receivable of $430 million primarily due to the recognition of the current portion of the income tax benefit described in Note 8; •the decrease in inventories was due to a decrease in commodity prices in March 2020 compared to December 2019 combined with lower inventory levels; •the decrease in accounts payable was due to a decrease in commodity prices in March 2020 compared to December 2019 combined with a decrease in crude oil and other feedstock volumes purchased; and •the decrease in taxes other than income taxes payable was mainly due to the payment of ad valorem, value-added, and motor fuel taxes. Cash flows related to interest and income taxes were as follows (in millions):
| Three Months Ended March 31,
| 2021 |  | 2020
Interest paid in excess of amount capitalized, including interest on finance leases | $ | 103 |  |  | $ | 88 |
Income taxes paid, net | 36 |  |  | 121 |
Supplemental cash flow information related to our operating and finance leases was as follows (in millions):
| Three Months Ended March 31,
| 2021 |  | 2020
| Operating Leases |  | Finance Leases |  | Operating Leases |  | Finance Leases
Cash paid for amounts included in the measurement of lease liabilities: |  |  |  |  |  |  |
Operating cash flows | $ | 100 |  |  | $ | 18 |  |  | $ | 106 |  |  | $ | 22 |
Financing cash flows | — |  |  | 31 |  |  | — |  |  | 15 |
Changes in lease balances resulting from new and modified leases (a) | 72 |  |  | 7 |  |  | 92 |  |  | 1,441 |
________________________ (a)Noncash activity for the three months ended March 31, 2020 primarily included $1.4 billion for a finance lease right-of-use asset and related liability recognized in connection with the terminaling agreement with MVP. There were no significant noncash investing and financing activities during the three months ended March 31, 2021 and 2020, except as noted in the table above.

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -URI http://asc.fasb.org/topic&trid=2134446 + Details
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- References No definition available. + Details
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