Percentage of initial aggregate principal amount.

No definition available.

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Namespace Prefix:	apg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Period Type:	duration

- 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/disclosureRef
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-Topic 470
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-Subparagraph (SX 210.9-03(16))
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Paragraph 1
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Balance Type:	na
Period Type:	duration

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Paragraph 1
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Balance Type:	credit
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Period Type:	duration

- Details

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Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Subsequent Events - Additional Information (Detail) - USD ($) $ in Millions			1 Months Ended
	Oct. 22, 2020	Oct. 01, 2019	Oct. 31, 2020
Subsequent Event [Line Items]
Cash paid at closing		$ 2,703
Subsequent Event [Member] \| 2020 Term Loan [Member]
Subsequent Event [Line Items]
Percentage of initial aggregate principal amount	1.00%
Maturity date	Oct. 01, 2026
Subsequent Event [Member] \| 2020 Term Loan [Member] \| Base Rate [Member]
Subsequent Event [Line Items]
Debt, variable interest rate	1.75%
Subsequent Event [Member] \| 2020 Term Loan [Member] \| Eurodollar [Member]
Subsequent Event [Line Items]
Debt, variable interest rate	2.75%
Subsequent Event [Member] \| SKG and Life Safety [Member]
Subsequent Event [Line Items]
Date of acquisition			Oct. 31, 2020
Cash paid at closing			$ 302
Subsequent Event [Member] \| SKG and Life Safety [Member] \| 2020 Term Loan [Member]
Subsequent Event [Line Items]
Incremental term loan	$ 250