Basis of Presentation and Significant Accounting Policies Update Recently Adopted Accounting Pronouncements (Details) - USD ($) $ in Millions |
Oct. 01, 2018 |
Mar. 31, 2019 |
Sep. 30, 2018 |
Mar. 25, 2018 |
Sep. 24, 2017 |
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
Retained Earnings | $ 1,382 | $ 3,309 | $ 542 | ||
Restricted cash and cash equivalents | $ 0 | $ 2,000 | |||
Accounting Standards Update 2016-01 [Member] | |||||
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
Retained Earnings | 50 | ||||
Reclassifications from accumulated other comprehensive income | 50 | ||||
Accounting Standards Update 2016-16 [Member] | |||||
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
Retained Earnings | $ 2,600 | ||||
Other Noncurrent Assets [Member] | |||||
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
Restricted cash and cash equivalents | $ 2,000 | $ 2,000 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount after tax of reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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