XML 75 R62.htm IDEA: XBRL DOCUMENT v3.23.3

Share Repurchase Authorizations - Additional Information (Detail) - USD ($) $ in Millions	Sep. 30, 2023	Jul. 31, 2023	Jul. 30, 2023
Equity [Abstract]
Stock repurchase program, authorized amount		$ 2,500	$ 1,800
Stock repurchase program, additional authorized amount		$ 750
Stock repurchase program, remaining authorized repurchase amount	$ 914

X

- References

No definition available.

+ Details

Name:	us-gaap_EquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Stock Repurchase Program, Additional Authorized Amount

+ References

No definition available.

+ Details

Name:	z_StockRepurchaseProgramAdditionalAuthorizedAmount
Namespace Prefix:	z_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant