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v3.20.2

Debt (Narrative) (Details) | 1 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Oct. 31, 2020 USD ($) renewal_option note | Apr. 30, 2020 USD ($) renewal_option | Mar. 31, 2020 USD ($) | Jul. 31, 2019 USD ($) renewal_option | Oct. 31, 2020 USD ($) note | Nov. 02, 2019 USD ($) note | May 31, 2020 USD ($) | Feb. 01, 2020 USD ($) note | Jun. 30, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Loss on early extinguishment of debt |  |  |  |  | $ 239,769,000 | $ 0 |  |  |
Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument | $ 1,000,000,000.0 | $ 2,000,000,000.0 |  |  | 1,000,000,000.0 |  |  |  |
Number of tenors | renewal_option | 2 | 4 |  |  |  |  |  |  |
Proceeds from debt issuance, net of discounts and other issuance costs | $ 987,200,000 | $ 1,973,000,000 |  |  |  |  |  |  |
Cash tender offer, principal amount, accepted for purchase | 775,000,000 |  |  |  | 775,000,000 |  |  |  |
Payment for cash tender offer, principal amount | 1,003,000,000.000 |  |  |  |  |  |  |  |
Loss on early extinguishment of debt | 240,000,000 |  |  |  |  |  |  |  |
Total unamortized discount and debt issuance costs | $ 28,000,000.0 |  |  |  | $ 28,000,000.0 | $ 2,200,000 |  | $ 2,100,000 |
Number of series notes | note | 8 |  |  |  | 8 | 2 |  | 2 |
Senior Notes | Level 1 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Unsecured senior notes estimated fair value | $ 2,800,000,000 |  |  |  | $ 2,800,000,000 | $ 333,000,000 |  | $ 335,000,000 |
Unsecured Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ 800,000,000 |  |  | $ 800,000,000 | $ 800,000,000 |  | $ 800,000,000 |  | $ 600,000,000
Sublimit for issuance of standby letters of credit |  |  |  | 300,000,000 |  |  |  |  |
Option to increase credit facility, additional amount (up to) |  |  |  | $ 300,000,000 |  |  |  |  |
Number of renewal options | renewal_option |  |  |  | 2 |  |  |  |  |
Renewal option, term |  |  |  | 1 year |  |  |  |  |
Proceeds from borrowings |  |  | $ 800,000,000 |  |  |  |  |  |
Basis points margin over LIBOR (percent) |  |  | 0.875% |  |  |  |  |  |
Interest rate (percent) | 1.76% |  |  |  | 1.76% |  |  |  |
Repayment of revolving credit facility | $ 800,000,000 |  |  |  |  |  |  |  |
Amount outstanding under the revolving credit facility | 0 |  |  |  | $ 0 |  |  |  |
Standby Letters of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Amount outstanding under the revolving credit facility | 0 |  |  |  | 0 |  |  |  |
Senior Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | $ 500,000,000 |  |
Amount outstanding under the revolving credit facility | 0 |  |  |  | 0 |  |  |  |
6.530% Series B Senior Notes due 2021 | 6.530% Series B Senior Notes due 2021 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument | $ 65,000,000 |  |  |  | $ 65,000,000 |  |  |  |
Unsecured senior notes interest rate (percent) | 6.53% |  |  |  | 6.53% |  |  |  |
3.375% Senior Notes due 2024 | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument | $ 250,000,000 |  |  |  | $ 250,000,000 |  |  |  |
Unsecured senior notes interest rate (percent) | 3.375% |  |  |  | 3.375% |  |  |  |
4.600% Senior Notes due 2025 | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument |  | $ 700,000,000 |  |  |  |  |  |  |
Unsecured senior notes interest rate (percent) | 4.60% | 4.60% |  |  | 4.60% |  |  |  |
4.700% Senior Notes due 2027 | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument |  | $ 400,000,000 |  |  |  |  |  |  |
Unsecured senior notes interest rate (percent) | 4.70% | 4.70% |  |  | 4.70% |  |  |  |
Cash tender offer, principal amount, accepted for purchase | $ 158,000,000 |  |  |  | $ 158,000,000 |  |  |  |
4.800% Senior Notes due 2030 | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument |  | $ 400,000,000 |  |  |  |  |  |  |
Unsecured senior notes interest rate (percent) | 4.80% | 4.80% |  |  | 4.80% |  |  |  |
Cash tender offer, principal amount, accepted for purchase | $ 266,000,000 |  |  |  | $ 266,000,000 |  |  |  |
5.450% Senior Notes due 2050 | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument |  | $ 500,000,000 |  |  |  |  |  |  |
Unsecured senior notes interest rate (percent) | 5.45% | 5.45% |  |  | 5.45% |  |  |  |
Cash tender offer, principal amount, accepted for purchase | $ 351,000,000 |  |  |  | $ 351,000,000 |  |  |  |
0.875% Senior Notes due 2026 | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument | $ 500,000,000 |  |  |  | $ 500,000,000 |  |  |  |
Unsecured senior notes interest rate (percent) | 0.875% |  |  |  | 0.875% |  |  |  |
1.875% Senior Notes due 2031 | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument | $ 500,000,000 |  |  |  | $ 500,000,000 |  |  |  |
Unsecured senior notes interest rate (percent) | 1.875% |  |  |  | 1.875% |  |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the 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)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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