XML 49 R38.htm IDEA: XBRL DOCUMENT
v3.20.2

Fair Value Measurements - Fair Value Measurements by Level for Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Assets |  |
Cash and cash equivalents | $ 12,798 | $ 12,123
Investments: |  |
Equity securities | 561 | 0
Other long-term assets: |  |
Total assets at fair value | 24,713 | 20,559
Other long-term liabilities: |  |
Total liabilities at fair value |  | 11
U.S. Treasury securities and obligations of U.S. government corporations and agencies |  |
Investments: |  |
Assets measured at fair value | 981 | 212
Corporate securities |  |
Investments: |  |
Assets measured at fair value | 5,031 | 3,733
Municipal securities |  |
Investments: |  |
Assets measured at fair value | 2,535 | 2,388
Short-term time deposits |  |
Investments: |  |
Assets measured at fair value | 56 | 0
Asset-backed securities |  |
Investments: |  |
Assets measured at fair value | 971 | 744
Residential mortgage-backed securities |  |
Investments: |  |
Assets measured at fair value | 920 | 471
Commercial mortgage-backed securities |  |
Investments: |  |
Assets measured at fair value | 599 | 388
Interest rate swap agreements |  |
Other long-term liabilities: |  |
Interest rate swap agreements |  | 11
Available-for-sale Securities |  |
Investments: |  |
Assets measured at fair value | 10,865 | 7,768
Available-for-sale Securities | U.S. Treasury securities and obligations of U.S. government corporations and agencies |  |
Investments: |  |
Assets measured at fair value | 238 | 73
Available-for-sale Securities | Corporate securities |  |
Investments: |  |
Assets measured at fair value | 5,013 | 3,713
Available-for-sale Securities | Municipal securities |  |
Investments: |  |
Assets measured at fair value | 2,507 | 2,379
Available-for-sale Securities | Short-term time deposits |  |
Investments: |  |
Assets measured at fair value | 56 |
Available-for-sale Securities | Asset-backed securities |  |
Investments: |  |
Assets measured at fair value | 971 | 744
Available-for-sale Securities | Residential mortgage-backed securities |  |
Investments: |  |
Assets measured at fair value | 920 | 471
Available-for-sale Securities | Commercial mortgage-backed securities |  |
Investments: |  |
Assets measured at fair value | 599 | 388
Restricted Deposits |  |
Investments: |  |
Assets measured at fair value | 1,050 | 658
Restricted Deposits | U.S. Treasury securities and obligations of U.S. government corporations and agencies |  |
Investments: |  |
Assets measured at fair value | 743 | 139
Restricted Deposits | Corporate securities |  |
Investments: |  |
Assets measured at fair value | 18 | 20
Restricted Deposits | Municipal securities |  |
Investments: |  |
Assets measured at fair value | 28 | 9
Restricted Deposits | Cash and cash equivalents |  |
Investments: |  |
Assets measured at fair value | 157 | 8
Restricted Deposits | Certificates of deposit |  |
Investments: |  |
Assets measured at fair value | 104 | 482
Other long-term assets | Interest rate swap agreements |  |
Other long-term assets: |  |
Derivative asset |  | 10
Level I |  |
Assets |  |
Cash and cash equivalents | 12,798 | 12,123
Investments: |  |
Equity securities | 559 |
Other long-term assets: |  |
Total assets at fair value | 14,495 | 12,343
Other long-term liabilities: |  |
Total liabilities at fair value |  | 0
Level I | Interest rate swap agreements |  |
Other long-term liabilities: |  |
Interest rate swap agreements |  | 0
Level I | Available-for-sale Securities |  |
Investments: |  |
Assets measured at fair value | 797 | 73
Level I | Available-for-sale Securities | U.S. Treasury securities and obligations of U.S. government corporations and agencies |  |
Investments: |  |
Assets measured at fair value | 238 | 73
Level I | Available-for-sale Securities | Corporate securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level I | Available-for-sale Securities | Municipal securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level I | Available-for-sale Securities | Short-term time deposits |  |
Investments: |  |
Assets measured at fair value | 0 |
Level I | Available-for-sale Securities | Asset-backed securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level I | Available-for-sale Securities | Residential mortgage-backed securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level I | Available-for-sale Securities | Commercial mortgage-backed securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level I | Restricted Deposits |  |
Investments: |  |
Assets measured at fair value | 900 | 147
Level I | Restricted Deposits | U.S. Treasury securities and obligations of U.S. government corporations and agencies |  |
Investments: |  |
Assets measured at fair value | 743 | 139
Level I | Restricted Deposits | Corporate securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level I | Restricted Deposits | Municipal securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level I | Restricted Deposits | Cash and cash equivalents |  |
Investments: |  |
Assets measured at fair value | 157 | 8
Level I | Restricted Deposits | Certificates of deposit |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level I | Other long-term assets | Interest rate swap agreements |  |
Other long-term assets: |  |
Derivative asset |  | 0
Level II |  |
Assets |  |
Cash and cash equivalents | 0 | 0
Investments: |  |
Equity securities | 2 |
Other long-term assets: |  |
Total assets at fair value | 10,218 | 8,216
Other long-term liabilities: |  |
Total liabilities at fair value |  | 11
Level II | Interest rate swap agreements |  |
Other long-term liabilities: |  |
Interest rate swap agreements |  | 11
Level II | Available-for-sale Securities |  |
Investments: |  |
Assets measured at fair value | 10,068 | 7,695
Level II | Available-for-sale Securities | U.S. Treasury securities and obligations of U.S. government corporations and agencies |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level II | Available-for-sale Securities | Corporate securities |  |
Investments: |  |
Assets measured at fair value | 5,013 | 3,713
Level II | Available-for-sale Securities | Municipal securities |  |
Investments: |  |
Assets measured at fair value | 2,507 | 2,379
Level II | Available-for-sale Securities | Short-term time deposits |  |
Investments: |  |
Assets measured at fair value | 56 |
Level II | Available-for-sale Securities | Asset-backed securities |  |
Investments: |  |
Assets measured at fair value | 971 | 744
Level II | Available-for-sale Securities | Residential mortgage-backed securities |  |
Investments: |  |
Assets measured at fair value | 920 | 471
Level II | Available-for-sale Securities | Commercial mortgage-backed securities |  |
Investments: |  |
Assets measured at fair value | 599 | 388
Level II | Restricted Deposits |  |
Investments: |  |
Assets measured at fair value | 150 | 511
Level II | Restricted Deposits | U.S. Treasury securities and obligations of U.S. government corporations and agencies |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level II | Restricted Deposits | Corporate securities |  |
Investments: |  |
Assets measured at fair value | 18 | 20
Level II | Restricted Deposits | Municipal securities |  |
Investments: |  |
Assets measured at fair value | 28 | 9
Level II | Restricted Deposits | Cash and cash equivalents |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level II | Restricted Deposits | Certificates of deposit |  |
Investments: |  |
Assets measured at fair value | 104 | 482
Level II | Other long-term assets | Interest rate swap agreements |  |
Other long-term assets: |  |
Derivative asset |  | 10
Level III |  |
Assets |  |
Cash and cash equivalents | 0 | 0
Investments: |  |
Equity securities | 0 |
Other long-term assets: |  |
Total assets at fair value | 0 | 0
Other long-term liabilities: |  |
Total liabilities at fair value |  | 0
Level III | Interest rate swap agreements |  |
Other long-term liabilities: |  |
Interest rate swap agreements |  | 0
Level III | Available-for-sale Securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level III | Available-for-sale Securities | U.S. Treasury securities and obligations of U.S. government corporations and agencies |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level III | Available-for-sale Securities | Corporate securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level III | Available-for-sale Securities | Municipal securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level III | Available-for-sale Securities | Short-term time deposits |  |
Investments: |  |
Assets measured at fair value | 0 |
Level III | Available-for-sale Securities | Asset-backed securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level III | Available-for-sale Securities | Residential mortgage-backed securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level III | Available-for-sale Securities | Commercial mortgage-backed securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level III | Restricted Deposits |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level III | Restricted Deposits | U.S. Treasury securities and obligations of U.S. government corporations and agencies |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level III | Restricted Deposits | Corporate securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level III | Restricted Deposits | Municipal securities |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level III | Restricted Deposits | Cash and cash equivalents |  |
Investments: |  |
Assets measured at fair value | 0 | 0
Level III | Restricted Deposits | Certificates of deposit |  |
Investments: |  |
Assets measured at fair value | $ 0 | 0
Level III | Other long-term assets | Interest rate swap agreements |  |
Other long-term assets: |  |
Derivative asset |  | $ 0

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AssetsFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121558606&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121553693&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes 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. + References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740 + Details
Name: | us-gaap_EquitySecuritiesFvNi
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities. + References No definition available. + Details
Name: | us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_OtherAssetsNoncurrentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OtherLiabilitiesNoncurrentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USTreasuryAndGovernmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MunicipalBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_BankTimeDepositsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_AvailableforsaleSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_DepositsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CashAndCashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CertificatesOfDepositMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_OtherNoncurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |