Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- 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.

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No definition available.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as current.

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Amount of long-term debt and lease obligation, including portion classified as current.

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Amount of long-term debt classified as other.

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Debt and Financing Arrangements - Long-Term Debt (Details) ¥ in Billions	1 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2022 EUR (€)	Sep. 30, 2022 JPY (¥)	Sep. 30, 2021 USD ($)
Debt Instrument [Line Items]
Other	$ 25,000,000	$ 25,000,000			$ 8,000,000
Total	8,324,000,000	8,324,000,000			7,764,000,000
Less: current portion	865,000,000	865,000,000			226,000,000
Less: debt issuance costs	33,000,000	33,000,000			32,000,000
Long-term debt	7,426,000,000	7,426,000,000			7,506,000,000
LIBOR JPY Plus 0.40% Due in 2022 \| Johnson Controls International plc
Debt Instrument [Line Items]
Anticipated note issuance \| ¥				¥ 25
Long-term debt	$ 0	$ 0			223,000,000
LIBOR JPY Plus 0.40% Due in 2022 \| Johnson Controls International plc \| London Interbank Offered Rate (LIBOR) JPY
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.40%	0.40%
4.625% Due in 2023 \| Johnson Controls International plc
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	4.625%	4.625%	4.625%	4.625%
Anticipated note issuance	$ 25,000,000	$ 25,000,000
Long-term debt	$ 25,000,000	$ 25,000,000			25,000,000
4.625% Due in 2023 \| Tyco International Finance S.A. (TIFSA)
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	4.625%	4.625%	4.625%	4.625%
Anticipated note issuance	$ 7,000,000	$ 7,000,000
Long-term debt	$ 7,000,000	$ 7,000,000			7,000,000
1.00% Due in 2023 \| Johnson Controls International plc
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	1.00%	1.00%	1.00%	1.00%
Anticipated note issuance \| €			€ 846,000,000
Long-term debt	$ 830,000,000	$ 830,000,000			980,000,000
3.625% Due in 2024 \| Johnson Controls International plc
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	3.625%	3.625%	3.625%	3.625%
Anticipated note issuance	$ 453,000,000	$ 453,000,000
Long-term debt	$ 453,000,000	$ 453,000,000			453,000,000
3.625% Due in 2024 \| Johnson Controls Inc.
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	3.625%	3.625%	3.625%	3.625%
Anticipated note issuance	$ 31,000,000	$ 31,000,000
Long-term debt	$ 31,000,000	$ 31,000,000			31,000,000
1.375% Due in 2025 \| Johnson Controls International plc
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	1.375%	1.375%	1.375%	1.375%
Anticipated note issuance \| €			€ 423,000,000
Long-term debt	$ 419,000,000	$ 419,000,000			496,000,000
1.375% Due in 2025 \| Tyco International Finance S.A. (TIFSA)
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	1.375%	1.375%	1.375%	1.375%
Anticipated note issuance \| €			€ 54,000,000
Long-term debt	$ 53,000,000	$ 53,000,000			63,000,000
3.90% Due in 2026 \| Johnson Controls International plc
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	3.90%	3.90%	3.90%	3.90%
Anticipated note issuance	$ 487,000,000	$ 487,000,000
Long-term debt	$ 505,000,000	$ 505,000,000			510,000,000
3.90% Due in 2026 \| Tyco International Finance S.A. (TIFSA)
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	3.90%	3.90%	3.90%	3.90%
Anticipated note issuance	$ 51,000,000	$ 51,000,000
Long-term debt	51,000,000	51,000,000			51,000,000
LIBOR JPY Plus 0.40% Due in 2027 \| Johnson Controls International plc
Debt Instrument [Line Items]
Anticipated note issuance	208,000,000	208,000,000		¥ 30
Long-term debt	$ 208,000,000	$ 208,000,000			0
LIBOR JPY Plus 0.40% Due in 2027 \| Johnson Controls International plc \| Tokyo Term Risk Free Rate (TORF)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.40%	0.40%
0.375% Due in 2027 \| Johnson Controls International plc (JCI) and Tyco Fire & Security Finance S.C.A. (TFSCA)
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	0.375%	0.375%	0.375%	0.375%
Anticipated note issuance \| €			€ 500,000,000
Long-term debt	$ 488,000,000	$ 488,000,000			577,000,000
3.00 % Due in 2028 \| Johnson Controls International plc (JCI) and Tyco Fire & Security Finance S.C.A. (TFSCA)
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	3.00%	3.00%	3.00%	3.00%
Anticipated note issuance	$ 589,000,000	$ 589,000,000	€ 600,000,000
Long-term debt	$ 586,000,000	$ 586,000,000			0
1.75% Due in 2030 \| Johnson Controls International plc (JCI) and Tyco Fire & Security Finance S.C.A. (TFSCA)
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	1.75%	1.75%	1.75%	1.75%
Anticipated note issuance	$ 625,000,000	$ 625,000,000
Long-term debt	$ 623,000,000	$ 623,000,000			623,000,000
2.00% Due in 2031 \| Johnson Controls International plc (JCI) and Tyco Fire & Security Finance S.C.A. (TFSCA)
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	2.00%	2.00%	2.00%	2.00%
Anticipated note issuance	$ 500,000,000	$ 500,000,000
Long-term debt	$ 496,000,000	$ 496,000,000			496,000,000
1.00% Due in 2032 \| Johnson Controls International plc (JCI) and Tyco Fire & Security Finance S.C.A. (TFSCA)
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	1.00%	1.00%	1.00%	1.00%
Anticipated note issuance \| €			€ 500,000,000
Long-term debt	$ 489,000,000	$ 489,000,000			578,000,000
4.90% Due in 2032 \| Johnson Controls International plc (JCI) and Tyco Fire & Security Finance S.C.A. (TFSCA)
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	4.90%	4.90%	4.90%	4.90%
Anticipated note issuance	$ 400,000,000	$ 400,000,000
Long-term debt	$ 394,000,000	$ 394,000,000			0
6.00% Due in 2036 \| Johnson Controls International plc
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	6.00%	6.00%	6.00%	6.00%
Anticipated note issuance	$ 342,000,000	$ 342,000,000
Long-term debt	$ 339,000,000	$ 339,000,000			339,000,000
6.00% Due in 2036 \| Johnson Controls Inc.
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	6.00%	6.00%	6.00%	6.00%
Anticipated note issuance	$ 8,000,000	$ 8,000,000
Long-term debt	$ 8,000,000	$ 8,000,000			8,000,000
5.70% Due in 2041 \| Johnson Controls International plc
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	5.70%	5.70%	5.70%	5.70%
Anticipated note issuance	$ 190,000,000	$ 190,000,000
Long-term debt	$ 189,000,000	$ 189,000,000			189,000,000
5.70% Due in 2041 \| Johnson Controls Inc.
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	5.70%	5.70%	5.70%	5.70%
Anticipated note issuance	$ 30,000,000	$ 30,000,000
Long-term debt	$ 30,000,000	$ 30,000,000			30,000,000
5.25% Due in 2042 \| Johnson Controls International plc
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	5.25%	5.25%	5.25%	5.25%
Anticipated note issuance	$ 155,000,000	$ 155,000,000
Long-term debt	$ 155,000,000	$ 155,000,000			155,000,000
5.25% Due in 2042 \| Johnson Controls Inc.
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	5.25%	5.25%	5.25%	5.25%
Anticipated note issuance	$ 6,000,000	$ 6,000,000
Long-term debt	$ 6,000,000	$ 6,000,000			6,000,000
4.625% Due in 2044 \| Johnson Controls International plc
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	4.625%	4.625%	4.625%	4.625%
Anticipated note issuance	$ 444,000,000	$ 444,000,000
Long-term debt	$ 441,000,000	$ 441,000,000			441,000,000
4.625% Due in 2044 \| Johnson Controls Inc.
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	4.625%	4.625%	4.625%	4.625%
Anticipated note issuance	$ 6,000,000	$ 6,000,000
Long-term debt	$ 6,000,000	$ 6,000,000			6,000,000
5.125% Due in 2045 \| Johnson Controls International plc
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	5.125%	5.125%	5.125%	5.125%
Anticipated note issuance	$ 477,000,000	$ 477,000,000
Long-term debt	$ 557,000,000	$ 557,000,000			560,000,000
5.125% Due in 2045 \| Tyco International Finance S.A. (TIFSA)
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	5.125%	5.125%	5.125%	5.125%
Anticipated note issuance	$ 23,000,000	$ 23,000,000
Long-term debt	$ 23,000,000	$ 23,000,000			22,000,000
6.95% Due in 2046 \| Johnson Controls International plc
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	6.95%	6.95%	6.95%	6.95%
Anticipated note issuance	$ 32,000,000	$ 32,000,000
Long-term debt	$ 32,000,000	$ 32,000,000			32,000,000
6.95% Due in 2046 \| Johnson Controls Inc.
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	6.95%	6.95%	6.95%	6.95%
Anticipated note issuance	$ 4,000,000	$ 4,000,000
Long-term debt	$ 4,000,000	$ 4,000,000			4,000,000
4.50% Due in 2047 \| Johnson Controls International plc
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	4.50%	4.50%	4.50%	4.50%
Anticipated note issuance	$ 500,000,000	$ 500,000,000
Long-term debt	$ 496,000,000	$ 496,000,000			496,000,000
4.95% Due in 2064 \| Johnson Controls International plc
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	4.95%	4.95%	4.95%	4.95%
Anticipated note issuance	$ 341,000,000	$ 341,000,000
Long-term debt	$ 340,000,000	$ 340,000,000			340,000,000
4.95% Due in 2064 \| Johnson Controls Inc.
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	4.95%	4.95%	4.95%	4.95%
Anticipated note issuance	$ 15,000,000	$ 15,000,000
Long-term debt	$ 15,000,000	$ 15,000,000			$ 15,000,000