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Supplemental Cash Flow Information (Details) - USD ($) shares in Millions, $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 05, 2018 | Jan. 30, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Changes in other operating assets and liabilities |  |  |  |  |
Decrease in accounts receivable |  |  | $ 87 | $ 180 | $ 230
(Increase) decrease in other assets |  |  | (30) | 3 | (37)
Decrease in accounts payable and other current liabilities |  |  | (21) | (154) | (115)
(Decrease) increase in other long-term liabilities |  |  | (34) | 80 | (13)
Change in income taxes receivable / payable, net |  |  | (303) | 125 | (58)
Change in receivables from / payables to affiliates, net |  |  | (10) |  |
Net change in operating assets and liabilities |  |  | (311) | 234 | 7
Certain cash operating activities |  |  |  |  |
Cash payments for interest |  |  | 648 | 570 | 486
Cash payments for income taxes |  |  | 121 | 151 | 124
Non-cash investing and financing activities |  |  |  |  |
Capital additions, accrued at end of period |  |  | $ 48 | 30 | $ 20
Issuance of shares in business combinations |  |  |  | 2,112 |
Issuance of debt in business combination |  |  |  | 1,026 |
Songa |  |  |  |  |
Non-cash investing and financing activities |  |  |  |  |
Issuance of shares in business combinations |  | $ 735 |  | $ 735 |
Newly issued shares (in shares) |  | 66.9 |  | 66.9 |
Convertible debt |  |  |  | $ 854 |
Ocean Rig |  |  |  |  |
Non-cash investing and financing activities |  |  |  |  |
Issuance of shares in business combinations | $ 1,377 |  |  | $ 1,400 |
Newly issued shares (in shares) | 147.7 |  |  | 147.7 |

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