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v3.20.2

Borrowings and Lines of Credit Borrowings and Lines of Credit (LT Debt Narrative) (Details) € in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2019 EUR (€) | Dec. 31, 2018 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from Issuance of Debt |  |  |  |  | $ 11,000
Debt Percentage Bearing Variable Interest Rate | 9.00% |  | 9.00% |  | 10.00%
Average Years of Maturity of Long Term Debt | 10 years |  | 10 years |  |
Notes 3.350% due 2021 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from Issuance of Debt | $ 1,000 | [1] |  |  |
Debt Instrument, Maturity Year Date | 2021 |  | 2021 |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.35% |  | 3.35% |  |
Notes 3.650% Due 2023 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from Issuance of Debt | $ 2,250 | [1] |  |  |
Debt Instrument, Maturity Year Date | 2023 |  | 2023 |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.65% |  | 3.65% |  |
Notes 3.950% Due 2025 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from Issuance of Debt | $ 1,500 | [1] |  |  |
Debt Instrument, Maturity Year Date | 2025 |  | 2025 |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.95% |  | 3.95% |  |
Notes 4.125% Due 2028 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from Issuance of Debt | $ 3,000 | [1] |  |  |
Debt Instrument, Maturity Year Date | 2028 |  | 2028 |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.125% |  | 4.125% |  |
Notes 4.450% Due 2038 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from Issuance of Debt | $ 750 | [1] |  |  |
Debt Instrument, Maturity Year Date | 2038 |  | 2038 |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.45% |  | 4.45% |  |
Notes 4.625% Due 2048 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from Issuance of Debt | $ 1,750 | [2] |  |  |
Debt Instrument, Maturity Year Date | 2048 |  | 2048 |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.625% |  | 4.625% |  |
LIBOR plus 0.650% floating rate notes due 2021 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from Issuance of Debt | $ 750 | [1] |  |  |
Debt Instrument, Maturity Year Date | 2021 |  | 2021 |  |
Debt Instrument, Interest Rate, Stated Percentage | 0.65% |  | 0.65% |  |
Notes 1.150% Due 2024 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from Issuance of Debt | € |  |  | € 750 | [3] |
Debt Instrument, Maturity Year Date | 2024 |  | 2024 |  |
Debt Instrument, Interest Rate, Stated Percentage | 1.15% |  | 1.15% |  |
Notes 2.150% Due 2030 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from Issuance of Debt | € |  |  | € 500 | [3] |
Debt Instrument, Maturity Year Date | 2030 |  | 2030 |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.15% |  | 2.15% |  |
EURIBOR plus 0.20% floating rate notes due 2020 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from Issuance of Debt | € |  |  | € 750 | [3] |
Debt Instrument, Maturity Year Date | 2020 |  | 2020 |  |
Debt Instrument, Interest Rate, Stated Percentage | 0.20% |  | 0.20% |  |
Notes 8.875% Due 2019 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayment of Debt, Date | Nov. 15, 2019 |  | Nov. 15, 2019 |  |
Repayments of Debt | $ 271 |  |  |  |
Debt Instrument, Maturity Year Date | 2019 |  | 2019 |  |
Debt Instrument, Interest Rate, Stated Percentage | 8.875% |  | 8.875% |  |
EURIBOR plus 0.15% floating rate notes due 2019 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayment of Debt, Date | Nov. 13, 2019 |  | Nov. 13, 2019 |  |
Repayments of Debt | € |  |  | € 750 |  |
Debt Instrument, Maturity Year Date | 2019 |  | 2019 |  |
Debt Instrument, Interest Rate, Stated Percentage | 0.15% |  | 0.15% |  |
LIBOR plus 0.350% floating rate notes due 2019 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of Debt | $ 350 |  |  |  |
Debt Instrument, Maturity Year Date | Libor plus 0.350% floating rate notes due 2019 (3) |  | Libor plus 0.350% floating rate notes due 2019 (3) |  |
Debt Instrument, Interest Rate, Stated Percentage | 0.35% |  | 0.35% |  |
Notes 1.500% Due 2019 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of Debt | $ 650 |  |  |  |
Debt Instrument, Maturity Year Date | 2019 |  | 2019 |  |
Debt Instrument, Interest Rate, Stated Percentage | 1.50% |  | 1.50% |  |
Notes 1.950% Due 2019 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of Debt | $ 300 | [4] |  |  |
Debt Instrument, Maturity Year Date | 2019 |  | 2019 |  |
Debt Instrument, Interest Rate, Stated Percentage | 1.95% |  | 1.95% |  |
Notes 5.250% Due 2019 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of Debt | $ 300 | [4] |  |  |
Debt Instrument, Maturity Year Date | 2019 |  | 2019 |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.25% |  | 5.25% |  |
Variable-rate term loan due 2020 (1 month LIBOR plus 1.25%) [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayment of Debt, Date | Dec. 14, 2018 |  | Dec. 14, 2018 |  |
Repayments of Debt | $ 482 | [4] |  |  |
Junior subordinated notes 1.778% due 2018 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayment of Debt, Date | May 04, 2018 |  | May 04, 2018 |  |
Repayments of Debt | $ 1,100 |  |  |  |
EURIBOR plus 0.800% floating rate notes due 2018 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayment of Debt, Date | Feb. 22, 2018 |  | Feb. 22, 2018 |  |
Repayments of Debt | € |  |  | € 750 |  |
Notes 6.800% Due 2018 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayment of Debt, Date | Feb. 01, 2018 |  | Feb. 01, 2018 |  |
Repayments of Debt | $ 99 |  |  |  |
[1] | (1) The net proceeds received from these debt issuances were used to partially finance the cash consideration portion of the purchase price for Rockwell Collins and fees, expenses and other amounts related to the acquisition of Rockwell Collins.
[2] | (2) The net proceeds from these debt issuances were used to fund the repayment of commercial paper and for other general corporate purposes.
[3] | (3) The net proceeds received from these debt issuances were used for general corporate purposes.
[4] | These notes and term loan were assumed in connection with the Rockwell Collins acquisition and subsequently repaid.

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