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Fair Value of Financial Instruments (Details) - Senior Notes - Fair Value, Inputs, Level 2 | Jun. 30, 2019 USD ($)
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Fixed rate senior notes carrying amount | $ 4,100,000,000
$600 3.000% senior notes due 2020 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Long-term debt, fair value | 604,000,000
Face value of debt | $ 600,000,000
Interest rate on senior notes | 3.00%
$500 2.800% senior notes due 2021 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Long-term debt, fair value | $ 504,000,000
Face value of debt | $ 500,000,000
Interest rate on senior notes | 2.80%
$500 3.125% senior notes due 2022 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Long-term debt, fair value | $ 509,000,000
Face value of debt | $ 500,000,000
Interest rate on senior notes | 3.125%
$700 3.650% senior notes due 2023 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Long-term debt, fair value | $ 729,000,000
Face value of debt | $ 700,000,000
Interest rate on senior notes | 3.65%
$300 3.850% senior notes due 2025 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Long-term debt, fair value | $ 317,000,000
Face value of debt | $ 300,000,000
Interest rate on senior notes | 3.85%
$700 3.800% senior notes due 2026 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Long-term debt, fair value | $ 730,000,000
Face value of debt | $ 700,000,000
Interest rate on senior notes | 3.80%
$800 4.200% senior notes due 2028 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Long-term debt, fair value | $ 856,000,000
Face value of debt | $ 800,000,000
Interest rate on senior notes | 4.20%

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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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. + References No definition available. + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Definition The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + References No definition available. + Details
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