XML 77 R68.htm IDEA: XBRL DOCUMENT
v3.20.2

Notes Payable - Additional Information (Detail) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2020 USD ($)
Debt Instrument [Line Items] |
Debt instrument redemption price percentage | 100.00%
2024 Notes Issued On November 2018 |
Debt Instrument [Line Items] |
Interest rate | 4.375%
Principal amount | $ 600
2024 Notes Issued​ On December​ 2018 |
Debt Instrument [Line Items] |
Interest rate | 4.375%
Principal amount | $ 250
2022 Ten-year Notes |
Debt Instrument [Line Items] |
Interest rate | 3.50%
Payment frequency of debt interest | semi-annually
Principal amount | $ 750
2019 Notes |
Debt Instrument [Line Items] |
Interest rate | 2.75%
Payment frequency of debt interest | semi-annually
Principal amount | $ 1,000
2020 Notes |
Debt Instrument [Line Items] |
Interest rate | 3.00%
Principal amount | $ 750
2025 Notes |
Debt Instrument [Line Items] |
Interest rate | 4.125%
2020 Notes and 2025 Notes |
Debt Instrument [Line Items] |
Payment frequency of debt interest | semi-annually
2022 Five-year Notes |
Debt Instrument [Line Items] |
Interest rate | 2.875%
Principal amount | $ 900
2027 Notes |
Debt Instrument [Line Items] |
Interest rate | 3.625%
Principal amount | $ 600
2022 Five-year Notes and 2027 Notes |
Debt Instrument [Line Items] |
Payment frequency of debt interest | semi-annually
2023 Notes |
Debt Instrument [Line Items] |
Interest rate | 3.875%
Principal amount | $ 1,000
2028 March Notes |
Debt Instrument [Line Items] |
Interest rate | 4.375%
Principal amount | $ 500
2023 Notes and 2028 March Notes |
Debt Instrument [Line Items] |
Payment frequency of debt interest | semi-annually
2028 November Notes |
Debt Instrument [Line Items] |
Interest rate | 4.875%
Principal amount | $ 400
2025 Five-year Notes |
Debt Instrument [Line Items] |
Interest rate | 3.075%
Principal amount | $ 600
2030 Notes |
Debt Instrument [Line Items] |
Interest rate | 3.425%
Principal amount | $ 400
2025 Five-year Notes And 2030 Notes |
Debt Instrument [Line Items] |
Payment frequency of debt interest | semi-annually
2025 December Notes |
Debt Instrument [Line Items] |
Discount on debt issued | $ 20
Debt issuance cost | $ 31

X
- 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=119993939&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
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Description of the frequency of periodic payments (monthly, quarterly, annual). + 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 470 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentFrequencyOfPeriodicPayment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization, of debt discount. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28541-108399 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
Name: | us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + 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 210.5-02.17) -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 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399 + Details
Name: | us-gaap_DeferredFinanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=bidu_TwoThousandsTwentyFourNotesIssuedOnNovember2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=bidu_TwoThousandsTwentyFourNotesIssuedOnDecember2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniorNotesDueTwoThousandTwentyTwoTenYearNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniorNotesDueTwentyNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniorNotesDueTwoThousandTwentyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniorNotesDueTwoThousandTwentyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniorNotesDueTwoThousandTwentyAndTwoThousandTwentyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniorNotesDueTwoThousandTwentyTwoFiveYearNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniorNotesDueTwoThousandTwentySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniorNotesDueTwoThousandTwentyTwoFiveYearNotesAndTwoThousandTwentySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniorNotesDueTwoThousandTwentyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniorNotesDueTwoThousandTwentyEightMarchMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniorNotesDueTwoThousandTwentyThreeAndTwoThousandTwentyEightMarchMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniorNotesDueTwoThousandTwentyEightNovemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniorNotesduetwoThousandTwentyFivefiveYearnotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniorNotesDueTwoThousandAndThirtyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredSeniornotesDueTwothousandTwentyfivefiveyearNotesandtwoThousandthirtyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=bidu_UnsecuredseniornotesdueTwothousandtwentyfivedecemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |