Inventories Table - Inventory Balances (Details) - USD ($) $ in Millions |
Mar. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Inventory, Net [Abstract] | ||
| Other Inventory, Supplies, Gross | $ 373 | $ 338 |
| Natural gas, NGLs, and refined products | 760 | 833 |
| Energy Related Inventory, Crude Oil, Products and Merchandise | 589 | 506 |
| Inventory, Net | $ 1,722 | $ 1,677 |
| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of natural gas in storage, which is a mixture of gases (liquefied or otherwise), used for fuel and manufacturing purposes, which is ready for sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of finished goods inventories for petroleum products, crude oil, petrochemical products, and other oil and gas inventories. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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