Investments and Restricted Cash and Investments (Tables)

12 Months Ended

Dec. 31, 2018

Investments, Including Equity Method And Restricted Cash And Investments [Line Items]

Investments and Restricted Cash and Investments [Table Text Block]

Investments and restricted cash and cash equivalents and investments consists of the following as of December 31 (in millions):

	2018		2017
Investments:
BYD Company Limited common stock	$	1,435	$	1,961
Rabbi trusts	371		441
Other	168		124
Total investments	1,974		2,526
Equity method investments:
BHE Renewables tax equity investments	1,661		1,025
Electric Transmission Texas, LLC	527		524
Bridger Coal Company	99		137
Other	153		148
Total equity method investments	2,440		1,834
Restricted cash and cash equivalents and investments:
Quad Cities Station nuclear decommissioning trust funds	504		515
Restricted cash and cash equivalents	256		348
Total restricted cash and cash equivalents and investments	760		863
Total investments and restricted cash and cash equivalents and investments	$	5,174	$	5,223
Reflected as:
Other current assets	$	271	$	351
Noncurrent assets	4,903		4,872
Total investments and restricted cash and cash equivalents and investments	$	5,174	$	5,223

MidAmerican Energy Company [Member]

Investments, Including Equity Method And Restricted Cash And Investments [Line Items]

Investments and Restricted Cash and Investments [Table Text Block]

Investments and restricted investments consists of the following amounts as of December 31 (in millions):

	2018		2017
Nuclear decommissioning trust	$	504	$	515
Rabbi trusts	191		198
Other	13		15
Total	$	708	$	728