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Discontinued Operations - Subsea (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 29, 2019 | Mar. 30, 2018 | Mar. 29, 2019 | Mar. 30, 2018
Discontinued Operations |  |  |  |
Net cash proceeds |  |  | $ 297 |
Pre-tax loss on sale | $ 10 | $ (1) | (86) | $ (1)
Discontinued Operations, Disposed of by Sale | Subsea Communications |  |  |  |
Discontinued Operations |  |  |  |
Net cash proceeds |  |  | 297 |
Pre-tax loss on sale |  |  | (86) |
Cumulative translation adjustment losses |  |  | 67 |
Existing guarantees value | 1,700 |  | $ 1,700 |
Maximum remaining term for majority of existing guarantees |  |  | 2 years |
Fair value of existing guarantees | 12 |  | $ 12 |
New performance guarantee issued |  |  | 70 |
Discontinued Operations, Disposed of by Sale | Subsea Communications | Maximum |  |  |  |
Discontinued Operations |  |  |  |
New performance guarantees issuable amount | $ 300 |  | $ 300 |
Period for issuance of new performance guarantees |  |  | 3 years |

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- Definition Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109222160&loc=d3e957-107759 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721525-107759 + Details
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- Definition Amount of foreign currency translation gain (loss) in the disposal group, including discontinued operation, recognized in the statement of income as a result of the sale or complete or substantially complete liquidation of an investment in a foreign entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109240241&loc=d3e32211-110900 + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248 + Details
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