Discontinued Operations - Summary of Major Classes of Assets and Liabilities of Discontinued Operations (Detail) $ in Millions	Dec. 31, 2020 USD ($)
Current assets
Total current assets of discontinued operations	$ 1,064
Current liabilities
Total current liabilities of discontinued operations	989
Connect
Current assets
Cash and cash equivalents	110
Trade and other receivables, net of allowances for doubtful accounts and sales returns	689
Prepaid expenses and other current assets	265
Total current assets of discontinued operations	1,064
Non-current assets
Property, plant and equipment, net	177
Operating lease right-of-use asset	217
Goodwill	360
Other intangible assets, net	807
Deferred tax assets	228
Other non-current assets	136
Total assets of discontinued operations	2,989
Current liabilities
Accounts payable and other current liabilities	710
Deferred revenues	235
Income tax liabilities	27
Current portion of long-term debt, finance lease obligations and short-term borrowings	17
Total current liabilities of discontinued operations	989
Non-current liabilities
Long-term debt and finance lease obligations	1,330
Deferred tax liabilities	65
Operating lease liabilities	218
Other non-current liabilities	224
Total liabilities of discontinued operations	$ 2,826