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v3.20.4

Estimates, Significant Accounting Policies and Balance Sheet Detail Estimates (Schedule of Accounting Change) (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |  |
Other current assets | $ 213 |  |  |  | $ 275 |  |  |  | $ 213 | $ 275 |
Increase (Decrease) in Operating Capital |  |  |  |  |  |  |  |  | 47 | (391) | $ 234
Inventories | 1,739 |  |  |  | 1,532 |  |  |  | 1,739 | 1,532 |
Noncontrolling interests | 12,859 |  |  |  | 12,018 |  |  |  | 12,859 | 12,018 |
Property, Plant and Equipment, Net | 75,107 |  |  |  | 74,193 |  |  |  | 75,107 | 74,193 |
Intangible assets, net | 5,746 |  |  |  | 6,154 |  |  |  | 5,746 | 6,154 |
Other non-current assets, net | 1,657 |  |  |  | 1,571 |  |  |  | 1,657 | 1,571 |
Other non-current liabilities | 1,152 |  |  |  | 1,162 |  |  |  | 1,152 | 1,162 |
Cost of Goods and Services Sold |  |  |  |  |  |  |  |  | 25,487 | 39,801 | 41,603
Operating expenses |  |  |  |  |  |  |  |  | 3,218 | 3,294 | 3,089
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 3,678 | 3,147 | 2,859
Operating Lease, Right-of-Use Asset | 1,000 |  |  |  | 964 |  |  |  | 1,000 | 964 |
Operating Lease, Liability, Current | 53 |  |  |  | 60 |  |  |  | 53 | 60 |
Accrued and other current liabilities | 2,775 |  |  |  | 3,342 |  |  |  | 2,775 | 3,342 |
Current maturities of long-term debt | 21 |  |  |  | 26 |  |  |  | 21 | 26 |
Long-term debt, less current maturities | 51,417 |  |  |  | 51,028 |  |  |  | 51,417 | 51,028 |
Operating Lease, Liability, Noncurrent | 837 |  |  |  | 901 |  |  |  | 837 | 901 |
Assets, Current | 6,317 |  |  |  | 7,464 |  |  |  | 6,317 | 7,464 |
Assets | 95,144 |  |  |  | 98,973 |  |  |  | 95,144 | 98,973 | 88,413
Partners' Capital | 18,529 |  |  |  | 21,920 |  |  |  | 18,529 | 21,920 |
Operating income | 1,339 | $ 244 | $ 1,336 | $ 61 | 1,627 | $ 1,830 | $ 1,819 | $ 1,927 | 2,980 | 7,203 | 5,403
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest |  |  |  |  |  |  |  |  | 377 | 5,020 | 3,689
Net income | $ 833 | $ (401) | $ 672 | $ (964) | $ 1,276 | $ 1,161 | $ 1,208 | $ 1,180 | $ 140 | $ 4,825 | $ 3,420
Basic | $ 0.19 | $ (0.24) | $ 0.13 | $ (0.32) | $ 0.37 | $ 0.33 | $ 0.33 | $ 0.31 | $ (0.24) | $ 1.34 | $ 1.20
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | $ 155 | $ 4,856 | $ 3,377
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |  |  |  |  |  |  |  |  | $ (633) | 3,549 | 1,706
Previously Reported [Member] |  |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Operating Capital |  |  |  |  |  |  |  |  |  | 465 | (289)
Inventories |  |  |  |  | $ 1,935 |  |  |  |  | 1,935 |
Other non-current assets, net |  |  |  |  | 1,075 |  |  |  |  | 1,075 |
Cost of Goods and Services Sold |  |  |  |  |  |  |  |  |  | 39,727 | 41,658
Assets, Current |  |  |  |  | 7,867 |  |  |  |  | 7,867 |
Assets |  |  |  |  | 98,880 |  |  |  |  | 98,880 |
Partners' Capital |  |  |  |  | 21,827 |  |  |  |  | 21,827 |
Operating income |  |  |  |  |  |  |  |  |  | 7,277 | 5,348
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest |  |  |  |  |  |  |  |  |  | 5,094 | 3,634
Net income |  |  |  |  |  |  |  |  |  | $ 4,899 | $ 3,365
Basic |  |  |  |  |  |  |  |  |  | $ 1.37 | $ 1.16
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  |  | $ 4,930 | $ 3,322
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |  |  |  |  |  |  |  |  |  | 3,623 | 1,651
Revision of Prior Period, Change in Accounting Principle, Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Operating Capital |  |  |  |  |  |  |  |  |  | (74) | 55
Inventories |  |  |  |  | (403) |  |  |  |  | (403) |
Other non-current assets, net |  |  |  |  | 496 |  |  |  |  | 496 |
Cost of Goods and Services Sold |  |  |  |  |  |  |  |  |  | 74 | (55)
Assets, Current |  |  |  |  | (403) |  |  |  |  | (403) |
Assets |  |  |  |  | 93 |  |  |  |  | 93 |
Partners' Capital |  |  |  |  | $ 93 |  |  |  |  | 93 |
Operating income |  |  |  |  |  |  |  |  |  | (74) | 55
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest |  |  |  |  |  |  |  |  |  | (74) | 55
Net income |  |  |  |  |  |  |  |  |  | $ (74) | $ 55
Basic |  |  |  |  |  |  |  |  |  | $ (0.03) | $ 0.04
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  |  | $ (74) | $ 55
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |  |  |  |  |  |  |  |  |  | $ (74) | $ 55

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