XML 74 R99.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Subsequent Event (Details) $ in Millions	Jan. 29, 2020 USD ($)
Subsequent Event
Subsequent Event [Line Items]
Payments to acquire text books	$ 29.4

X

- Definition

Payments to acquire textbooks.

+ References

No definition available.

+ Details

Name:	chgg_PaymentsToAcquireTextbooks
Namespace Prefix:	chgg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- 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

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

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: