Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitment And Contingencies [Line Items]

Schedule of minimum annual programming and talent commitments

The table below summarizes our minimum annual programming and talent commitments and our minimum annual rental commitments under operating leases for office space, equipment and transponder service agreements. Programming and talent commitments include acquired film and television programming, including U.S. broadcast rights to the Olympic Games through 2032, Sunday Night Football through the 2022-23 season, certain NASCAR events through 2024 and other programming commitments, as well as various contracts with creative talent.

As of December 31, 2017 (in millions)	Programming and Talent Commitments		Operating Leases
2018	$	6,350	$	559
2019	$	3,895	$	512
2020	$	4,812	$	457
2021	$	3,301	$	391
2022	$	3,732	$	326
Thereafter	$	17,416	$	1,829

Schedule of rental expenses charged to operations

The table below presents our rental expense charged to operations.

Year ended December 31 (in millions)	2017		2016		2015
Rental expense	$	839	$	744	$	608

NBCUniversal Media LLC [Member]

Commitment And Contingencies [Line Items]

Schedule of minimum annual programming and talent commitments

The table below summarizes our minimum annual programming and talent commitments and our minimum annual rental commitments under operating leases for office space and equipment. Programming and talent commitments include acquired film and television programming, including U.S. broadcast rights to the Olympic Games through 2032, Sunday Night Football through the 2022-23 season, certain NASCAR events through 2024 and other programming commitments, as well as various contracts with creative talent.

As of December 31, 2017 (in millions)	Programming and Talent Commitments		Operating Leases
2018	$	6,343	$	209
2019	$	3,893	$	195
2020	$	4,812	$	182
2021	$	3,301	$	163
2022	$	3,732	$	139
Thereafter	$	17,416	$	1,223

Schedule of rental expenses charged to operations

The table below presents our rental expense charged to operations.

Year ended December 31 (in millions)	2017		2016		2015
Rental expense	$	274	$	259	$	213