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Debt and Credit Facilities - Additional Information (Details) |  | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
May 31, 2022 USD ($) | May 31, 2021 USD ($) | Dec. 31, 2023 USD ($) $ / shares Rate | Feb. 14, 2024 USD ($) | Dec. 31, 2022 USD ($) | Sep. 05, 2019 $ / shares
Line of Credit Facility [Line Items] |  |  |  |  |  |
Repurchase amount |  | $ 341,000,000 |  |  |  |
Proceeds from debt, net |  | 844,000,000 |  |  |  |
Repurchased face amount of debt |  | 324,000,000 |  |  |  |
Accrued interest |  | 3,000,000 |  |  |  |
Loss on repurchase of debt instrument |  | 18,000,000 |  |  |  |
Long-term debt, gross |  |  | $ 6,019,000,000 |  | $ 6,015,000,000 |
Long-term maturities during 2024 |  |  | 1,300,000,000 |  |  |
Long-term maturities during 2025 |  |  | 322,000,000 |  |  |
Long-term maturities during 2026 |  |  | 0 |  |  |
Long-term maturities during 2027 |  |  | 0 |  |  |
Long-term maturities during 2028 |  |  | 724,000,000 |  |  |
Commercial Paper |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Line of credit facility borrowing capacity |  |  | 2,200,000,000 |  |  |
Long-term debt, gross |  |  | $ 0 |  |  |
Senior Notes | 1.75% senior convertible notes due 2024 |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Convertible debt conversion ratio | Rate |  |  | 496.70% |  |  |
Interest rate |  |  | 1.75% |  |  |
Senior Notes | 2.75% senior notes due 2031 |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Debt instrument face principal amount |  | $ 850,000,000 |  |  |  |
Interest rate |  | 2.75% | 2.75% |  |  |
Long-term debt, gross |  |  | $ 845,000,000 |  | 845,000,000 |
Senior Notes | 3.5% senior notes due 2023 |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Interest rate |  | 3.50% |  |  |  |
Senior Notes | 5.60% senior notes due 2032 |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Debt instrument face principal amount | $ 600,000,000 |  |  |  |  |
Interest rate | 5.60% |  | 5.60% |  |  |
Proceeds from debt, net | $ 595,000,000 |  |  |  |  |
Long-term debt, gross |  |  | $ 595,000,000 |  | 595,000,000 |
Senior Notes | 4.0% senior notes due 2024 |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Interest rate | 4.00% |  | 4.00% |  |  |
Repurchase amount | $ 279,000,000 |  |  |  |  |
Repurchased face amount of debt | 275,000,000 |  |  |  |  |
Loss on repurchase of debt instrument | 6,000,000 |  |  |  |  |
Interest payable | $ 3,000,000 |  |  |  |  |
Long-term debt, gross |  |  | $ 313,000,000 |  | 312,000,000 |
Convertible Debt | 1.75% senior convertible notes due 2024 |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Convertible debt conversion ratio |  |  | 0.0049670 |  |  |
Convertible debt conversion price (usd per share) | $ / shares |  |  | $ 201.33 |  |  | $ 201.33
Debt instrument face principal amount |  |  | $ 1,000,000,000 |  |  |
Interest rate |  |  | 1.75% |  |  |
Long-term debt, gross |  |  | $ 1,000,000,000 |  | $ 1,000,000,000 |
Convertible Debt | 1.75% senior convertible notes due 2024 | Subsequent Event |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Interest rate |  |  |  | 1.75% |  |
Repurchase amount |  |  |  | $ 1,590,000,000 |  |
Repurchased face amount of debt |  |  |  | $ 1,000,000,000 |  |
Line of Credit | Revolving Credit Facility | 2021 Motorola Solutions Credit Agreement |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Line of credit facility borrowing capacity |  |  | 2,250,000,000 |  |  |
Line of Credit | Letter of Credit | 2021 Motorola Solutions Credit Agreement |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Line of credit facility borrowing capacity |  |  | $ 450,000,000 |  |  |

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