Debt - Debt Issuances (Details)	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2021 EUR (€)	Dec. 31, 2021 CAD ($)	Dec. 31, 2021 AUD ($)	Dec. 31, 2021 CHF (SFr)	Dec. 31, 2021 EUR (€)	Dec. 31, 2021 CAD ($)	Dec. 31, 2021 AUD ($)	Dec. 31, 2021 CHF (SFr)
Debt Instrument [Line Items]
Net Proceeds	$ 31,925,000,000
Verizon 0.750% notes due 2024
Debt Instrument [Line Items]
Stated interest rate on debt instrument	0.75%					0.75%	0.75%	0.75%	0.75%
Principal amount issued	$ 1,750,000,000
Net Proceeds	$ 1,746,000,000
Floating Rate, SOFR Plus 0.500% Notes Due 2024
Debt Instrument [Line Items]
Debt instrument, percentage points added to the reference rate	0.50%	0.50%	0.50%	0.50%	0.50%
Principal amount issued	$ 750,000,000
Net Proceeds	$ 748,000,000
Verizon 1.450% notes due 2026
Debt Instrument [Line Items]
Stated interest rate on debt instrument	1.45%					1.45%	1.45%	1.45%	1.45%
Principal amount issued	$ 2,750,000,000
Net Proceeds	$ 2,737,000,000
Floating Rate, SOFR Plus 0.790% Notes Due 2026
Debt Instrument [Line Items]
Debt instrument, percentage points added to the reference rate	0.79%	0.79%	0.79%	0.79%	0.79%
Principal amount issued	$ 750,000,000
Net Proceeds	$ 748,000,000
Verizon 2.100% notes due 2028
Debt Instrument [Line Items]
Stated interest rate on debt instrument	2.10%					2.10%	2.10%	2.10%	2.10%
Principal amount issued	$ 3,000,000,000
Net Proceeds	$ 2,988,000,000
Verizon 2.550% notes due 2031
Debt Instrument [Line Items]
Stated interest rate on debt instrument	2.55%					2.55%	2.55%	2.55%	2.55%
Principal amount issued	$ 4,250,000,000
Net Proceeds	$ 4,216,000,000
Verizon 3.400% notes due 2041
Debt Instrument [Line Items]
Stated interest rate on debt instrument	3.40%					3.40%	3.40%	3.40%	3.40%
Principal amount issued	$ 3,750,000,000
Net Proceeds	$ 3,726,000,000
Verizon 3.550% notes due 2051
Debt Instrument [Line Items]
Stated interest rate on debt instrument	3.55%					3.55%	3.55%	3.55%	3.55%
Principal amount issued	$ 4,500,000,000
Net Proceeds	$ 4,426,000,000
Verizon 3.700% notes due 2061
Debt Instrument [Line Items]
Stated interest rate on debt instrument	3.70%					3.70%	3.70%	3.70%	3.70%
Principal amount issued	$ 3,500,000,000
Net Proceeds	$ 3,439,000,000
Verizon 2.850% notes due 2041
Debt Instrument [Line Items]
Stated interest rate on debt instrument	2.85%					2.85%	2.85%	2.85%	2.85%
Principal amount issued	$ 1,000,000,000
Net Proceeds	$ 991,000,000
0.375% Notes due 2029
Debt Instrument [Line Items]
Stated interest rate on debt instrument	0.375%					0.375%	0.375%	0.375%	0.375%
Principal amount issued | €						€ 1,000,000,000
Net Proceeds | €		€ 1,186,000,000
0.750% Notes due 2032
Debt Instrument [Line Items]
Stated interest rate on debt instrument	0.75%					0.75%	0.75%	0.75%	0.75%
Principal amount issued | €						€ 1,000,000,000
Net Proceeds | €		1,181,000,000
1.125% Notes due 2035
Debt Instrument [Line Items]
Stated interest rate on debt instrument	1.125%					1.125%	1.125%	1.125%	1.125%
Principal amount issued | €						€ 750,000,000
Net Proceeds | €		€ 878,000,000
2.375% Notes Due 2028
Debt Instrument [Line Items]
Stated interest rate on debt instrument	2.375%					2.375%	2.375%	2.375%	2.375%
Principal amount issued							$ 1,000,000,000
Net Proceeds			$ 800,000,000
4.050% Notes Due 2051
Debt Instrument [Line Items]
Stated interest rate on debt instrument	4.05%					4.05%	4.05%	4.05%	4.05%
Principal amount issued							$ 500,000,000
Net Proceeds			$ 399,000,000
2.350% Fixed Rate Notes due 2028
Debt Instrument [Line Items]
Stated interest rate on debt instrument	2.35%					2.35%	2.35%	2.35%	2.35%
Principal amount issued								$ 600,000,000
Net Proceeds				$ 463,000,000
3.000% Fixed Rate Notes due 2031
Debt Instrument [Line Items]
Stated interest rate on debt instrument	3.00%					3.00%	3.00%	3.00%	3.00%
Principal amount issued								$ 500,000,000
Net Proceeds				385,000,000
3.850% Fixed Rate Notes due 2041
Debt Instrument [Line Items]
Stated interest rate on debt instrument	3.85%					3.85%	3.85%	3.85%	3.85%
Principal amount issued								$ 150,000,000
Net Proceeds				$ 116,000,000
0.193% Bonds Due 2028
Debt Instrument [Line Items]
Stated interest rate on debt instrument	0.193%					0.193%	0.193%	0.193%	0.193%
Principal amount issued | SFr									SFr 375,000,000
Net Proceeds | SFr					SFr 403,000,000
0.555% Bonds Due 2031
Debt Instrument [Line Items]
Stated interest rate on debt instrument	0.555%					0.555%	0.555%	0.555%	0.555%
Principal amount issued | SFr									SFr 325,000,000
Net Proceeds | SFr					SFr 349,000,000