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Derivatives And Hedging Activities Cash Flow Hedges (Details) lb in Thousands, ₺ in Millions, ¥ in Millions, zł in Millions, $ in Millions, $ in Millions | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 USD ($) | Dec. 31, 2019 USD ($) | Sep. 30, 2018 USD ($) lb | Sep. 30, 2018 MXN ($) lb | Sep. 30, 2018 CNY (¥) lb | Sep. 30, 2018 TRY (₺) lb | Sep. 30, 2018 PLN (zł) lb
Derivative [Line Items] |  |  |  |  |  |  |
Net derivative gains (losses) included in accumulated other comprehensive income, before tax |  |  | $ (1) |  |  |  |
Net derivative gains (losses) included in accumulated other comprehensive income, after tax |  |  | $ 4 |  |  |  |
Cash Flow Hedging | Copper |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Notional amount of derivative, nonmonetary (in lbs) | lb |  |  | 88,540 | 88,540 | 88,540 | 88,540 | 88,540
Notional amount of derivative |  |  | $ 240 |  |  |  |
Cash Flow Hedging | Foreign currency derivatives | Mexican Peso |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Notional amount of derivative |  |  | 520 | $ 9,815 |  |  |
Cash Flow Hedging | Foreign currency derivatives | Chinese Yuan Renminbi |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Notional amount of derivative |  |  | 315 |  | ¥ 2,166 |  |
Cash Flow Hedging | Foreign currency derivatives | Polish Zloty |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Notional amount of derivative |  |  | 115 |  |  |  | zł 424
Cash Flow Hedging | Foreign currency derivatives | New Turkish Lira |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Notional amount of derivative |  |  | $ 15 |  |  | ₺ 83 |
Scenario, Forecast [Member] | Cost of Sales [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Loss Reclassified from Accumulated OCI into Income (Effective Portion) | $ (2) | $ (1) |  |  |  |  |

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- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e637-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e681-108580 + Details
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