XML 77 R66.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Debt - Long Term Debt (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Debt Instrument [Line Items] |  |
Total debt | $ 15,498 | $ 15,294
Less: unamortized discounts and issuance costs | (1,235) | (1,012)
Total debt, net | 14,263 | 14,282
Less: current portion | (750) | 0
Long-term debt, net | $ 13,513 | $ 14,282
1.85% due 2018 |  |
Debt Instrument [Line Items] |  |
Interest rate | 1.85% | 1.85%
Long-term debt maturity year | 2018 | 2018
Total debt | $ 750 | $ 750
4.25% due 2019 |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.25% | 4.25%
Long-term debt maturity year | 2019 | 2019
Total debt | $ 900 | $ 900
2.50% due 2020 |  |
Debt Instrument [Line Items] |  |
Interest rate | 2.50% | 2.50%
Long-term debt maturity year | 2020 | 2020
Total debt | $ 1,250 | $ 1,250
3.35% due 2021 |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.35% | 3.35%
Long-term debt maturity year | 2021 | 2021
Total debt | $ 900 | $ 900
3.10% due 2023 |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.10% | 3.10%
Long-term debt maturity year | 2023 | 2023
Total debt | $ 500 | $ 500
2.90% due 2025 |  |
Debt Instrument [Line Items] |  |
Interest rate | 2.90% | 2.90%
Long-term debt maturity year | 2025 | 2025
Total debt | $ 750 | $ 750
3.55% due 2026 |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.55% | 3.55%
Long-term debt maturity year | 2026 | 2026
Total debt | $ 2,000 | $ 2,000
3.60% due 2035 |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.60% | 3.60%
Long-term debt maturity year | 2035 | 2035
Total debt | $ 500 | $ 500
4.50% and 6.15% due 2036 |  |
Debt Instrument [Line Items] |  |
Long-term debt maturity year | 2036 | 2036
Total debt | $ 1,054 | $ 1,152
4.50% and 6.15% due 2036 | Minimum |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.50% | 4.50%
4.50% and 6.15% due 2036 | Maximum |  |
Debt Instrument [Line Items] |  |
Interest rate | 6.15% | 6.15%
4.85% due 2041 |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.85% | 4.85%
Long-term debt maturity year | 2041 | 2041
Total debt | $ 239 | $ 600
4.07% due 2042 |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.07% | 4.07%
Long-term debt maturity year | 2042 | 2042
Total debt | $ 1,336 | $ 1,336
3.80% due 2045 |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.80% | 3.80%
Long-term debt maturity year | 2045 | 2045
Total debt | $ 1,000 | $ 1,000
4.70% due 2046 |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.70% | 4.70%
Long-term debt maturity year | 2046 | 2046
Total debt | $ 1,326 | $ 2,000
4.09% due 2052 |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.09% | 4.09%
Long-term debt maturity year | 2052 | 2052
Total debt | $ 1,578 | $ 0
Other notes with rates from 5.50% to 8.50%, due 2023 to 2040 |  |
Debt Instrument [Line Items] |  |
Total debt | $ 1,415 | $ 1,656
Other notes with rates from 5.50% to 8.50%, due 2023 to 2040 | Minimum |  |
Debt Instrument [Line Items] |  |
Interest rate | 5.50% | 5.50%
Long-term debt maturity year | 2023 | 2023
Other notes with rates from 5.50% to 8.50%, due 2023 to 2040 | Maximum |  |
Debt Instrument [Line Items] |  |
Interest rate | 8.50% | 8.50%
Long-term debt maturity year | 2040 | 2040

X
- Definition Year the debt instrument matures. + References No definition available. + Details
Name: | lmt_DebtInstrumentMaturityDateYear
Namespace Prefix: | lmt_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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
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 Amount of unamortized debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

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

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

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

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

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

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

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

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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