Supplemental Cash Flow Information (Details) - USD ($) $ in Millions |
6 Months Ended | |
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Jun. 30, 2021 |
Jun. 30, 2020 |
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| Supplemental Cash Flow Information [Abstract] | ||
| Cash paid during the period for interest on debt, net of amounts capitalized | $ 675 | $ 750 |
| Cash paid for income taxes, net of refunds | 1 | 1 |
| Balance in property, plant and equipment, net of accumulated depreciation funded with accounts payable and accrued liabilities | $ 264 | $ 222 |
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- Definition Future cash outflow to pay for construction in progress expenditures that have occurred. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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