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Inventories - Narrative (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Inventory [Line Items] |  |
LIFO inventory amount | $ 2,900 | $ 2,600
Inventory, Noncurrent | 2,197 | 1,480
Inventory Not Expected to be Sold Within One Year |  |
Inventory [Line Items] |  |
Inventory, Noncurrent | 1,900 | 1,300
Inventories Produced in Preparation for Product Launches |  |
Inventory [Line Items] |  |
Inventory, Noncurrent | $ 279 | $ 168

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- Definition Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle. + 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 210.5-02.6(d)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The amount of LIFO (last in first out) inventory present at the reporting date when inventory is also valued using different valuation methods. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 + Details
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