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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net income/(loss) | $ 207 | $ (2,701)
Reconciliation of net income/(loss) to net cash provided by operating activities: |  |
Depreciation and amortization | 374 | 333
(Gains)/losses on asset sales and asset impairments, net | 370 | 618
Goodwill impairment losses | 0 | 2,515
Inventory valuation adjustments | 0 | 232
Deferred income tax expense/(benefit) | 11 | (12)
(Gain)/loss on foreign currency revaluation | (15) | 23
Settlement of terminated interest rate hedging instruments | 0 | (100)
Change in fair value of Preferred Distribution Rate Reset Option (Note 8) | (9) | (17)
Equity earnings in unconsolidated entities | (121) | (191)
Distributions on earnings from unconsolidated entities | 211 | 236
(Gain on)/impairment of investments in unconsolidated entities, net | 0 | 91
Other | 27 | 14
Changes in assets and liabilities, net of acquisitions | (29) | (67)
Net cash provided by operating activities | 1,026 | 974
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Cash paid in connection with acquisitions, net of cash acquired | (32) | (308)
Investments in unconsolidated entities | (71) | (314)
Additions to property, equipment and other | (182) | (472)
Proceeds from sales of assets | 22 | 245
Other investing activities | (20) | (9)
Net cash used in investing activities | (283) | (858)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Net repayments under commercial paper program (Note 6) | (159) | (93)
Net repayments under senior secured hedged inventory facility (Note 6) | (167) | (325)
Proceeds from the issuance of senior notes | 0 | 748
Repayments of senior notes | 0 | (17)
Repurchase of common units (Note 7) | (53) | 0
Other financing activities | (36) | 94
Net cash used in financing activities | (774) | (85)
Effect of translation adjustment | 2 | (9)
Net increase/(decrease) in cash and cash equivalents and restricted cash | (29) | 22
Cash and cash equivalents and restricted cash, beginning of period | 60 | 82
Cash and cash equivalents and restricted cash, end of period | 31 | 104
Cash paid for: |  |
Interest, net of amounts capitalized | 202 | 213
Income taxes, net of amounts refunded | 27 | 51
Series A Preferred Units |  |
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Distributions paid to unitholders (Note 7) | (74) | (74)
Series B Preferred Units |  |
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Distributions paid to unitholders (Note 7) | (25) | (25)
Common Units |  |
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Distributions paid to unitholders (Note 7) | $ (260) | $ (393)

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