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Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 USD ($) segment | Dec. 31, 2018 USD ($)
Summary of Significant Accounting Policies [Table] [Line Items] |  |
Number of reportable segments | segment | 1 |
Bank overdrafts | $ 57 | $ 104
Unamortized issuance costs, senior notes | $ 44 | 53
Revenue, payment terms | P30D |
Employee |  |
Summary of Significant Accounting Policies [Table] [Line Items] |  |
Vesting period | 3 years |
Director |  |
Summary of Significant Accounting Policies [Table] [Line Items] |  |
Vesting period | 3 years |
Other noncurrent assets |  |
Summary of Significant Accounting Policies [Table] [Line Items] |  |
Unamortized issuance costs | $ 27 | $ 30

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- Definition Carrying value as of the balance sheet date of payments made in excess of existing cash balances, which will be honored by the bank but reflected as a loan to the entity. Overdrafts generally have a very short time frame for correction or repayment and are therefore more similar to short-term bank financing than trade financing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1243-112600 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 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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