These businesses might generate $4.5bn in after-tax earnings and an 18x multiple can be considered fair.
BNSF: $75bn
BHE: $38bn
PCC:$39bn
Manufacturing, Serv. and Ret. (excl PCC): $80bn
Financial Services: $25bn
Insurance: $260bn
Berkshire Value: $517bn
BNSF: $100bn
BHE: $42bn
PCC:$39bn
Manufacturing, Serv. and Ret. (excl PCC): $100bn
Financial Services: $25bn
Insurance: $290bn
Berkshire Value: $596bn (BRK-A $362,300; BRK-B $241)
2) Equities:$158.3BN (after substracting $14.7BN in deferred taxes)
3) Shared Control Investments: $20BN
4) Cash, Equivalents & FI: $132BN
5) Insurance: No Value
Berkshire Value: $616.3BN (BRK-A $375,415; BRK-B $250.28)