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Basis of Presentation Basis of Presentation (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount | $ 112 |  | $ 110
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense | 11 | $ 0 |
Percentage of LIFO Inventory |  |  | 10.00%
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Operating Results | 91 |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Net Income | $ 69 |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Diluted Earnings Per Share | $ 0.12 |  |
Inventory, LIFO Reserve, Period Charge | $ 44 |  |
Inventory, LIFO Reserve, Period Charge (Income), after tax | $ 33 |  |
Inventory, LIFO Reserve, Period Charge (Income), per share | $ 0.06 |  |

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- Definition The amount per share of the charge (income) related to LIFO inventory valuation. + References No definition available. + Details
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- Definition The change in the inventory reserve representing the cumulative difference in cost between the first in, first out and the last in, first out inventory valuation methods, which change has been reflected in the statement of income during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6b) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6c) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6a) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.L) -URI http://asc.fasb.org/extlink&oid=27011343&loc=d3e99989-122729 + Details
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- Definition Amount of the effect of a change in accounting principle on operating profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22583-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794 + Details
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