DOCUMENT AND ENTITY INFORMATION	9 Months Ended
	Mar. 31, 2021 shares
Entity Information [Line Items]
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding	2,448,232,786
Entity Emerging Growth Company	false
Entity Central Index Key	0000080424
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--06-30
Document Fiscal Year Focus	2021
Amendment Flag	false
Entity Incorporation, State or Country Code	OH
Entity File Number	1-434
Entity Tax Identification Number	31-0411980
Entity Address, Address Line One	One Procter & Gamble Plaza
Entity Address, City or Town	Cincinnati
Entity Address, State or Province	OH
Entity Address, Postal Zip Code	45202
City Area Code	513
Document Transition Report	false
Document Quarterly Report	true
Document Type	10-Q
Local Phone Number	983-1100
Document Period End Date	Mar. 31, 2021
Entity Registrant Name	PROCTER & GAMBLE CO
Entity Small Business	false
Entity Interactive Data Current	Yes
Entity Current Reporting Status	Yes
Entity Shell Company	false
Common Stock [Member]
Entity Information [Line Items]
Title of 12(b) Security	Common Stock, without Par Value
Trading Symbol	PG
2.000% due 2021 [Domain]
Entity Information [Line Items]
Title of 12(b) Security	2.000% Notes due 2021
Trading Symbol	PG21
2.000% due 2022 [Domain]
Entity Information [Line Items]
Title of 12(b) Security	2.000% Notes due 2022
Trading Symbol	PG22B
1.125% due 2023 [Domain]
Entity Information [Line Items]
Title of 12(b) Security	1.125% Notes due 2023
Trading Symbol	PG23A
0.500% due 2024 [Domain]
Entity Information [Line Items]
Title of 12(b) Security	0.500% Notes due 2024
Trading Symbol	PG24A
0.625% due 2024 [Domain]
Entity Information [Line Items]
Title of 12(b) Security	0.625% Notes due 2024
Trading Symbol	PG24B
1.375% due 2025 [Domain]
Entity Information [Line Items]
Title of 12(b) Security	1.375% Notes due 2025
Trading Symbol	PG25
4.875% EUR due May 2027 [Domain]
Entity Information [Line Items]
Title of 12(b) Security	4.875% EUR notes due May 2027
Trading Symbol	PG27A
1.200% due 2028 [Domain]
Entity Information [Line Items]
Title of 12(b) Security	1.200% Notes due 2028
Trading Symbol	PG28
1.250% due 2029 [Domain]
Entity Information [Line Items]
Title of 12(b) Security	1.250% Notes due 2029
Trading Symbol	PG29B
1.800% due 2029 [Domain]
Entity Information [Line Items]
Title of 12(b) Security	1.800% Notes due 2029
Trading Symbol	PG29A
6.250% GBP due January 2030 [Domain]
Entity Information [Line Items]
Title of 12(b) Security	6.250% GBP notes due January 2030
Trading Symbol	PG30
5.250% GBP due January 2033 [Domain]
Entity Information [Line Items]
Title of 12(b) Security	5.250% GBP notes due January 2033
Trading Symbol	PG33
1.875% due 2038 [Domain]
Entity Information [Line Items]
Title of 12(b) Security	1.875% Notes due 2038
Trading Symbol	PG38
NEW YORK STOCK EXCHANGE, INC. [Member]
Entity Information [Line Items]
Security Exchange Name	NYSE
NEW YORK STOCK EXCHANGE, INC. [Member] | Common Stock [Member]
Entity Information [Line Items]
Security Exchange Name	NYSE