Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net Income	$ 4,246	$ 4,478	$ 8,912	$ 8,031
Other Comprehensive Loss, Net of Tax Expense (Benefit)
Foreign currency translation adjustments	(176)	17	(83)	88
Unrealized gain (loss) on cash flow hedges, net of tax of $55, $123, $(125) and $131	(152)	(186)	349	(198)
Unrealized gain (loss) on marketable securities, net of tax of $0, $10, $1 and $7	1	(20)	(4)	(6)
Defined benefit pension and postretirement plans, net of tax of $58, $88, $118 and $174	(173)	(136)	(346)	(273)
Other comprehensive loss attributable to Verizon	(500)	(325)	(84)	(389)
Total Comprehensive Income	3,746	4,153	8,828	7,642
Comprehensive income attributable to noncontrolling interests	126	116	247	219
Comprehensive income attributable to Verizon	3,620	4,037	8,581	7,423
Total Comprehensive Income	$ 3,746	$ 4,153	$ 8,828	$ 7,642