Debt and Credit Facilities (Details)	Sep. 30, 2023 USD ($)
Commercial Paper
Debt Instrument [Line Items]
Long term debt	$ 0
Line of credit facility borrowing capacity	2,200,000,000
Line of Credit \| Revolving Credit Facility \| 2021 Motorola Solutions Credit Agreement
Debt Instrument [Line Items]
Line of credit facility borrowing capacity	2,250,000,000
Line of Credit \| Letter of Credit \| 2021 Motorola Solutions Credit Agreement
Debt Instrument [Line Items]
Line of credit facility borrowing capacity	450,000,000
Senior Notes \| 4.0% Senior Notes Due 2024
Debt Instrument [Line Items]
Long term debt	$ 313,000,000
Interest rate	4.00%

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.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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